# OBGYN Decoded > Obstetrics and gynaecology clinical reference for doctors in India: clinical topics, emergency pathways, drug references, calculators and guideline sources. This site is a doctor-facing clinical reference. Content is derived from the authored library and retains its review status. Publication is not a claim of clinical verification. Individual pages link to their underlying guideline sources. ## Discovery - [HTML site directory](https://obgyndecode.netlify.app/sitemap/) - [XML sitemap](https://obgyndecode.netlify.app/sitemap.xml) - [Structured content index](https://obgyndecode.netlify.app/content-index.json) - [Clinical source register (JSON)](https://obgyndecode.netlify.app/clinical-sources.json) - [Full reference text](https://obgyndecode.netlify.app/llms-full.txt) Markdown references below are generated from the same HTML shown to users. Clinical tables retain HTML formatting to preserve column meaning. Interactive calculators require JavaScript and entered values; their formulas and sources are available in the HTML and text. ## Obstetrics & gynaecology topics - [Obstetrics & gynaecology topics](https://obgyndecode.netlify.app/browse/): Browse clinical topics by category, with authored verification status and links to the guideline sources used by each module. - [Chronic Hypertension in Pregnancy](https://obgyndecode.netlify.app/reference/topic/hdp-chronic.md): review; clinical verification date not recorded - [Gestational Hypertension](https://obgyndecode.netlify.app/reference/topic/hdp-gestational.md): review; clinical verification date not recorded - [Pre-eclampsia (without severe features)](https://obgyndecode.netlify.app/reference/topic/hdp-pre-eclampsia.md): review; clinical verification date not recorded - [Pre-eclampsia with Severe Features / Severe Pre-eclampsia](https://obgyndecode.netlify.app/reference/topic/hdp-severe-features.md): review; clinical verification date not recorded - [Eclampsia](https://obgyndecode.netlify.app/reference/topic/hdp-eclampsia.md): review; clinical verification date not recorded - [HELLP Syndrome](https://obgyndecode.netlify.app/reference/topic/hdp-hellp.md): review; clinical verification date not recorded - [Postpartum Hypertension & Postpartum Pre-eclampsia](https://obgyndecode.netlify.app/reference/topic/hdp-postpartum.md): review; clinical verification date not recorded - [Postpartum Haemorrhage (PPH)](https://obgyndecode.netlify.app/reference/topic/pph.md): review; clinical verification date not recorded - [Placenta Praevia & Low-lying Placenta (APH pathway)](https://obgyndecode.netlify.app/reference/topic/aph-previa.md): review; clinical verification date not recorded - [Placental Abruption](https://obgyndecode.netlify.app/reference/topic/aph-abruption.md): review; clinical verification date not recorded - [Vasa Praevia](https://obgyndecode.netlify.app/reference/topic/vasa-previa.md): review; clinical verification date not recorded - [Placenta Accreta Spectrum (acreta/increta/percreta)](https://obgyndecode.netlify.app/reference/topic/pas-spectrum.md): review; clinical verification date not recorded - [Pregnancy of Unknown Location (PUL)](https://obgyndecode.netlify.app/reference/topic/pul.md): review; clinical verification date not recorded - [Ectopic Pregnancy](https://obgyndecode.netlify.app/reference/topic/ectopic-pregnancy.md): review; clinical verification date not recorded - [Miscarriage Management (threatened/incomplete/missed)](https://obgyndecode.netlify.app/reference/topic/miscarriage-management.md): review; clinical verification date not recorded - [Recurrent Miscarriage](https://obgyndecode.netlify.app/reference/topic/recurrent-miscarriage.md): review; clinical verification date not recorded - [Molar Pregnancy & Gestational Trophoblastic Disease](https://obgyndecode.netlify.app/reference/topic/molar-pregnancy.md): review; clinical verification date not recorded - [Medical Termination of Pregnancy — Indian Legal Framework](https://obgyndecode.netlify.app/reference/topic/mtp-india.md): review; clinical verification date not recorded - [Labour Management (term)](https://obgyndecode.netlify.app/reference/topic/labour-management.md): review; clinical verification date not recorded - [Induction of Labour (IOL)](https://obgyndecode.netlify.app/reference/topic/iol.md): review; clinical verification date not recorded - [Caesarean Section](https://obgyndecode.netlify.app/reference/topic/lscs.md): review; clinical verification date not recorded - [VBAC / TOLAC](https://obgyndecode.netlify.app/reference/topic/vbac-tolac.md): review; clinical verification date not recorded - [Shoulder Dystocia](https://obgyndecode.netlify.app/reference/topic/shoulder-dystocia.md): review; clinical verification date not recorded - [Cord Prolapse](https://obgyndecode.netlify.app/reference/topic/cord-prolapse.md): review; clinical verification date not recorded - [Breech Presentation & ECV](https://obgyndecode.netlify.app/reference/topic/breech-ecv.md): review; clinical verification date not recorded - [CTG Interpretation & Intrauterine Resuscitation](https://obgyndecode.netlify.app/reference/topic/ctg-fetal-monitoring.md): review; clinical verification date not recorded - [Threatened Preterm Labour (<37 weeks with contractions, unchanging cervix)](https://obgyndecode.netlify.app/reference/topic/ptl-threatened.md): review; clinical verification date not recorded - [Established Preterm Labour (<37 weeks, cervical change)](https://obgyndecode.netlify.app/reference/topic/ptl-established.md): review; clinical verification date not recorded - [PPROM (Preterm Prelabour Rupture of Membranes 24+0-36+6)](https://obgyndecode.netlify.app/reference/topic/pprom.md): review; clinical verification date not recorded - [Term PROM (>=37 weeks)](https://obgyndecode.netlify.app/reference/topic/prom-term.md): review; clinical verification date not recorded - [Fetal Growth Restriction / SGA](https://obgyndecode.netlify.app/reference/topic/fgr.md): review; clinical verification date not recorded - [Multiple Pregnancy (twins incl. TTTS/TAPS/TRAP)](https://obgyndecode.netlify.app/reference/topic/multiples.md): review; clinical verification date not recorded - [Reduced Fetal Movements](https://obgyndecode.netlify.app/reference/topic/reduced-fetal-movements.md): review; clinical verification date not recorded - [Gestational Diabetes Mellitus](https://obgyndecode.netlify.app/reference/topic/gdm.md): review; clinical verification date not recorded - [Pregestational Diabetes (T1/T2)](https://obgyndecode.netlify.app/reference/topic/pregestational-diabetes.md): review; clinical verification date not recorded - [Thyroid Disease in Pregnancy](https://obgyndecode.netlify.app/reference/topic/thyroid-pregnancy.md): review; clinical verification date not recorded - [Anaemia in Pregnancy (Iron/Folate/B12)](https://obgyndecode.netlify.app/reference/topic/anaemia-iron-deficiency.md): review; clinical verification date not recorded - [VTE in Pregnancy (DVT/PE + Thromboprophylaxis)](https://obgyndecode.netlify.app/reference/topic/vte.md): review; clinical verification date not recorded - [Maternal Sepsis](https://obgyndecode.netlify.app/reference/topic/maternal-sepsis.md): review; clinical verification date not recorded - [Hyperemesis Gravidarum](https://obgyndecode.netlify.app/reference/topic/hyperemesis-gravidarum.md): review; clinical verification date not recorded - [Intrahepatic Cholestasis of Pregnancy](https://obgyndecode.netlify.app/reference/topic/icp.md): review; clinical verification date not recorded - [Chronic Medical Disorders Quick-Reference (asthma · epilepsy · cardiac · CKD · SLE/APS)](https://obgyndecode.netlify.app/reference/topic/asthma-epilepsy-cardiac-ckd-autoimmune.md): review; clinical verification date not recorded - [UTI & Pyelonephritis in Pregnancy](https://obgyndecode.netlify.app/reference/topic/uti-pyelonephritis.md): review; clinical verification date not recorded - [Chorioamnionitis / Intra-amniotic Infection](https://obgyndecode.netlify.app/reference/topic/chorioamnionitis.md): review; clinical verification date not recorded - [GBS Colonisation (prevention of early-onset neonatal disease)](https://obgyndecode.netlify.app/reference/topic/gbs.md): review; clinical verification date not recorded - [Syphilis in Pregnancy](https://obgyndecode.netlify.app/reference/topic/sti-syphilis.md): review; clinical verification date not recorded - [Chlamydia in Pregnancy](https://obgyndecode.netlify.app/reference/topic/sti-chlamydia.md): review; clinical verification date not recorded - [Gonorrhoea in Pregnancy](https://obgyndecode.netlify.app/reference/topic/sti-gonorrhoea.md): review; clinical verification date not recorded - [Genital Herpes in Pregnancy](https://obgyndecode.netlify.app/reference/topic/sti-hsv.md): review; clinical verification date not recorded - [Vaginitis Bundle (BV · candidiasis · trichomoniasis)](https://obgyndecode.netlify.app/reference/topic/vaginitis.md): review; clinical verification date not recorded - [Pelvic Inflammatory Disease](https://obgyndecode.netlify.app/reference/topic/pid.md): review; clinical verification date not recorded - [Viral Infections Quick-Reference (HIV · HBV · HCV · rubella · CMV · varicella · influenza · COVID)](https://obgyndecode.netlify.app/reference/topic/viral-pregnancy-hbv-hcv-hiv-rubella-cmv-varicella-parvo-covid-flu.md): review; clinical verification date not recorded - [Abnormal Uterine Bleeding (PALM-COEIN)](https://obgyndecode.netlify.app/reference/topic/aub.md): review; clinical verification date not recorded - [Polycystic Ovary Syndrome](https://obgyndecode.netlify.app/reference/topic/pcos.md): review; clinical verification date not recorded - [Endometriosis](https://obgyndecode.netlify.app/reference/topic/endometriosis.md): review; clinical verification date not recorded - [Uterine Fibroids](https://obgyndecode.netlify.app/reference/topic/fibroids.md): review; clinical verification date not recorded - [Adnexal Masses, Ovarian Cysts & Torsion](https://obgyndecode.netlify.app/reference/topic/adnexal-mass-torsion.md): review; clinical verification date not recorded - [Urogynaecology Core (SUI · OAB · POP · rUTI · fistula)](https://obgyndecode.netlify.app/reference/topic/urogynaecology-core.md): review; clinical verification date not recorded - [Menopause, Perimenopause & POI](https://obgyndecode.netlify.app/reference/topic/menopause.md): review; clinical verification date not recorded - [Endometrial Cancer](https://obgyndecode.netlify.app/reference/topic/gyonc-endometrial.md): review; clinical verification date not recorded - [Cervical Cancer](https://obgyndecode.netlify.app/reference/topic/gyonc-cervical.md): review; clinical verification date not recorded - [Cervical Screening & HPV (incl. vaccination)](https://obgyndecode.netlify.app/reference/topic/cervical-screening-hpv.md): review; clinical verification date not recorded - [Ovarian · Vulval · Vaginal Cancer & GTN Index](https://obgyndecode.netlify.app/reference/topic/gyonc-ovarian-vulval-gtn-index.md): review; clinical verification date not recorded - [Contraception Master Module](https://obgyndecode.netlify.app/reference/topic/contraception.md): review; clinical verification date not recorded - [Female Infertility Evaluation & Management](https://obgyndecode.netlify.app/reference/topic/infertility-female.md): review; clinical verification date not recorded - [Antenatal care: trimester tests & visit schedule](https://obgyndecode.netlify.app/reference/topic/anc-overview.md): review; clinical verification date not recorded ## Admission & discharge guide - [Admission & discharge guide](https://obgyndecode.netlify.app/admission-discharge/): Condition-specific hospital admission, discharge readiness, medicines, pending results, follow-up and urgent-return guidance, with a complete obstetric and gynaecology discharge checklist. ## Obstetric emergency protocols - [Obstetric emergency protocols](https://obgyndecode.netlify.app/emergencies/): Browse obstetric emergency pathways, including recognition, immediate actions, investigations, escalation and source references. - [Postpartum Haemorrhage](https://obgyndecode.netlify.app/reference/emergency/emg-pph.md): review; clinical verification date not recorded - [Eclampsia](https://obgyndecode.netlify.app/reference/emergency/emg-eclampsia.md): review; clinical verification date not recorded - [Acute Severe Hypertension (>=160/110)](https://obgyndecode.netlify.app/reference/emergency/emg-severe-htn.md): review; clinical verification date not recorded - [Maternal Collapse / Cardiac Arrest](https://obgyndecode.netlify.app/reference/emergency/emg-maternal-collapse.md): review; clinical verification date not recorded - [Maternal Sepsis](https://obgyndecode.netlify.app/reference/emergency/emg-sepsis.md): review; clinical verification date not recorded - [Shoulder Dystocia](https://obgyndecode.netlify.app/reference/emergency/emg-shoulder-dystocia.md): review; clinical verification date not recorded - [Cord Prolapse](https://obgyndecode.netlify.app/reference/emergency/emg-cord-prolapse.md): review; clinical verification date not recorded - [Postpartum Seizure (non-eclamptic differentials)](https://obgyndecode.netlify.app/reference/emergency/emg-eclampsia-postpartum-fit.md): review; clinical verification date not recorded - [Suspected Ruptured Ectopic](https://obgyndecode.netlify.app/reference/emergency/emg-ectopic.md): review; clinical verification date not recorded - [Massive APH (praevia/abruption)](https://obgyndecode.netlify.app/reference/emergency/emg-aph-massive.md): review; clinical verification date not recorded - [Massive Pulmonary Embolism](https://obgyndecode.netlify.app/reference/emergency/emg-pe.md): review; clinical verification date not recorded - [Massive Transfusion Activation](https://obgyndecode.netlify.app/reference/emergency/emg-massive-transfusion.md): review; clinical verification date not recorded - [Uterine Inversion](https://obgyndecode.netlify.app/reference/emergency/emg-uterine-inversion.md): review; clinical verification date not recorded - [Amniotic Fluid Embolism](https://obgyndecode.netlify.app/reference/emergency/emg-afe.md): review; clinical verification date not recorded - [Anaphylaxis in Pregnancy](https://obgyndecode.netlify.app/reference/emergency/emg-anaphylaxis.md): review; clinical verification date not recorded - [Severe Hypo/Hyperglycaemia in Pregnancy](https://obgyndecode.netlify.app/reference/emergency/emg-hypo-hyperglycemia.md): review; clinical verification date not recorded - [Suspected Ovarian Torsion](https://obgyndecode.netlify.app/reference/emergency/emg-torsion.md): review; clinical verification date not recorded - [Uterine Rupture](https://obgyndecode.netlify.app/reference/emergency/emg-uterine-rupture.md): review; clinical verification date not recorded ## Obstetrics & gynaecology drug reference - [Obstetrics & gynaecology drug reference](https://obgyndecode.netlify.app/drugs/): Browse drug dose tables, routes, frequency, duration, pregnancy and lactation notes, contraindications and registered sources. - [Magnesium sulfate](https://obgyndecode.netlify.app/reference/drug/magnesium-sulfate.md): review; clinical verification date not recorded - [Tranexamic acid](https://obgyndecode.netlify.app/reference/drug/tranexamic-acid.md): review; clinical verification date not recorded - [Oxytocin](https://obgyndecode.netlify.app/reference/drug/oxytocin.md): review; clinical verification date not recorded - [Carboprost (PGF2alpha)](https://obgyndecode.netlify.app/reference/drug/carboprost.md): review; clinical verification date not recorded - [Misoprostol](https://obgyndecode.netlify.app/reference/drug/misoprostol.md): review; clinical verification date not recorded - [Ergometrine and methylergometrine — distinct preparations](https://obgyndecode.netlify.app/reference/drug/ergometrine.md): review; clinical verification date not recorded - [Labetalol](https://obgyndecode.netlify.app/reference/drug/labetalol.md): review; clinical verification date not recorded - [Nifedipine](https://obgyndecode.netlify.app/reference/drug/nifedipine.md): review; clinical verification date not recorded - [Hydralazine](https://obgyndecode.netlify.app/reference/drug/hydralazine.md): review; clinical verification date not recorded - [Methyldopa](https://obgyndecode.netlify.app/reference/drug/methyldopa.md): review; clinical verification date not recorded - [Aspirin (low-dose)](https://obgyndecode.netlify.app/reference/drug/aspirin-lowdose.md): review; clinical verification date not recorded - [Enoxaparin (LMWH)](https://obgyndecode.netlify.app/reference/drug/enoxaparin.md): review; clinical verification date not recorded - [Metformin](https://obgyndecode.netlify.app/reference/drug/metformin.md): review; clinical verification date not recorded - [NPH insulin and prescribed mealtime insulin](https://obgyndecode.netlify.app/reference/drug/insulin-nph.md): review; clinical verification date not recorded - [Betamethasone](https://obgyndecode.netlify.app/reference/drug/betamethasone.md): review; clinical verification date not recorded - [Dexamethasone (antenatal alternative)](https://obgyndecode.netlify.app/reference/drug/dexamethasone-anc.md): review; clinical verification date not recorded - [Cefazolin](https://obgyndecode.netlify.app/reference/drug/cefazolin.md): review; clinical verification date not recorded - [Ampicillin](https://obgyndecode.netlify.app/reference/drug/ampicillin.md): review; clinical verification date not recorded - [Gentamicin](https://obgyndecode.netlify.app/reference/drug/gentamicin.md): review; clinical verification date not recorded - [Ceftriaxone](https://obgyndecode.netlify.app/reference/drug/ceftriaxone.md): review; clinical verification date not recorded - [Doxycycline](https://obgyndecode.netlify.app/reference/drug/doxycycline.md): review; clinical verification date not recorded - [Metronidazole](https://obgyndecode.netlify.app/reference/drug/metronidazole.md): review; clinical verification date not recorded - [Azithromycin](https://obgyndecode.netlify.app/reference/drug/azithromycin.md): review; clinical verification date not recorded - [Erythromycin (latency PPROM)](https://obgyndecode.netlify.app/reference/drug/erythromycin-latency.md): review; clinical verification date not recorded - [Methotrexate (ectopic protocol)](https://obgyndecode.netlify.app/reference/drug/methotrexate-ectopic.md): review; clinical verification date not recorded - [Mifepristone](https://obgyndecode.netlify.app/reference/drug/mifepristone.md): review; clinical verification date not recorded - [Ondansetron](https://obgyndecode.netlify.app/reference/drug/ondansetron.md): review; clinical verification date not recorded - [Doxylamine/pyridoxine delayed release 10 mg/10 mg](https://obgyndecode.netlify.app/reference/drug/pyridoxine-doxylamine.md): review; clinical verification date not recorded - [Thiamine](https://obgyndecode.netlify.app/reference/drug/thiamine.md): review; clinical verification date not recorded - [Iron (ferric carboxymaltose class)](https://obgyndecode.netlify.app/reference/drug/iron-fcm.md): review; clinical verification date not recorded - [Levonorgestrel ECP](https://obgyndecode.netlify.app/reference/drug/levonorgestrel-ecp.md): review; clinical verification date not recorded - [Calcium gluconate 10%](https://obgyndecode.netlify.app/reference/drug/calcium-gluconate.md): review; clinical verification date not recorded - [Adrenaline (epinephrine)](https://obgyndecode.netlify.app/reference/drug/adrenaline.md): review; clinical verification date not recorded - [Norepinephrine (noradrenaline)](https://obgyndecode.netlify.app/reference/drug/norepinephrine.md): review; clinical verification date not recorded - [Unfractionated heparin](https://obgyndecode.netlify.app/reference/drug/heparin-unfractionated.md): review; clinical verification date not recorded - [Alteplase](https://obgyndecode.netlify.app/reference/drug/alteplase.md): review; clinical verification date not recorded - [Lorazepam — status epilepticus](https://obgyndecode.netlify.app/reference/drug/lorazepam.md): review; clinical verification date not recorded - [Levetiracetam — status loading](https://obgyndecode.netlify.app/reference/drug/levetiracetam.md): review; clinical verification date not recorded - [Glucose — severe hypoglycaemia](https://obgyndecode.netlify.app/reference/drug/glucose-iv.md): review; clinical verification date not recorded - [Glucagon — hypoglycaemia rescue](https://obgyndecode.netlify.app/reference/drug/glucagon.md): review; clinical verification date not recorded - [Soluble human insulin — DKA infusion](https://obgyndecode.netlify.app/reference/drug/insulin-soluble.md): review; clinical verification date not recorded - [Clindamycin](https://obgyndecode.netlify.app/reference/drug/clindamycin.md): review; clinical verification date not recorded - [Enalapril](https://obgyndecode.netlify.app/reference/drug/enalapril.md): review; clinical verification date not recorded - [Terbutaline](https://obgyndecode.netlify.app/reference/drug/terbutaline.md): review; clinical verification date not recorded - [Benzylpenicillin sodium](https://obgyndecode.netlify.app/reference/drug/benzylpenicillin.md): review; clinical verification date not recorded - [Levothyroxine](https://obgyndecode.netlify.app/reference/drug/levothyroxine.md): review; clinical verification date not recorded - [Propylthiouracil (PTU)](https://obgyndecode.netlify.app/reference/drug/propylthiouracil.md): review; clinical verification date not recorded - [Carbimazole](https://obgyndecode.netlify.app/reference/drug/carbimazole.md): review; clinical verification date not recorded - [Propranolol](https://obgyndecode.netlify.app/reference/drug/propranolol.md): review; clinical verification date not recorded - [Hydrocortisone](https://obgyndecode.netlify.app/reference/drug/hydrocortisone.md): review; clinical verification date not recorded - [Potassium iodide (SSKI)](https://obgyndecode.netlify.app/reference/drug/potassium-iodide.md): review; clinical verification date not recorded - [Oral iron and folic acid](https://obgyndecode.netlify.app/reference/drug/iron-oral.md): review; clinical verification date not recorded - [Oral calcium](https://obgyndecode.netlify.app/reference/drug/calcium-oral.md): review; clinical verification date not recorded - [Promethazine](https://obgyndecode.netlify.app/reference/drug/promethazine.md): review; clinical verification date not recorded - [Metoclopramide](https://obgyndecode.netlify.app/reference/drug/metoclopramide.md): review; clinical verification date not recorded - [Ursodeoxycholic acid](https://obgyndecode.netlify.app/reference/drug/ursodeoxycholic-acid.md): review; clinical verification date not recorded - [Acyclovir](https://obgyndecode.netlify.app/reference/drug/acyclovir.md): review; clinical verification date not recorded - [Levonorgestrel IUS 52 mg](https://obgyndecode.netlify.app/reference/drug/levonorgestrel-ius.md): review; clinical verification date not recorded - [Letrozole](https://obgyndecode.netlify.app/reference/drug/letrozole.md): review; clinical verification date not recorded - [Ethinylestradiol / levonorgestrel](https://obgyndecode.netlify.app/reference/drug/combined-pill.md): review; clinical verification date not recorded - [Estradiol transdermal HRT](https://obgyndecode.netlify.app/reference/drug/estradiol-hrt.md): review; clinical verification date not recorded - [Micronised progesterone for HRT](https://obgyndecode.netlify.app/reference/drug/progesterone-hrt.md): review; clinical verification date not recorded - [Anti-D immunoglobulin](https://obgyndecode.netlify.app/reference/drug/anti-d-immunoglobulin.md): review; clinical verification date not recorded - [Nitrofurantoin](https://obgyndecode.netlify.app/reference/drug/nitrofurantoin.md): review; clinical verification date not recorded - [Cefalexin](https://obgyndecode.netlify.app/reference/drug/cefalexin.md): review; clinical verification date not recorded - [Benzathine penicillin G](https://obgyndecode.netlify.app/reference/drug/benzathine-penicillin.md): review; clinical verification date not recorded - [Clotrimazole vaginal](https://obgyndecode.netlify.app/reference/drug/clotrimazole.md): review; clinical verification date not recorded - [Dinoprostone](https://obgyndecode.netlify.app/reference/drug/dinoprostone.md): review; clinical verification date not recorded - [Paracetamol (acetaminophen)](https://obgyndecode.netlify.app/reference/drug/paracetamol.md): review; clinical verification date not recorded - [Ibuprofen](https://obgyndecode.netlify.app/reference/drug/ibuprofen.md): review; clinical verification date not recorded ## Obstetric & gynaecology calculators - [Obstetric & gynaecology calculators](https://obgyndecode.netlify.app/calculators/): Clinical calculators with inputs, formula explanations and source references for obstetrics and gynaecology. - [EDD & Gestational Age (Naegele)](https://obgyndecode.netlify.app/reference/calculator/edd-ga.md): EDD & Gestational Age (Naegele). Estimated due date and current gestation from LMP or scan EDD. Includes the formula and registered source where available. - [BMI & Pregnancy Weight-Gain Category (IOM)](https://obgyndecode.netlify.app/reference/calculator/bmi-iom.md): BMI & Pregnancy Weight-Gain Category (IOM). Body mass index with recommended total pregnancy gain range. Includes the formula and registered source where available. - [Bishop Score](https://obgyndecode.netlify.app/reference/calculator/bishop.md): Bishop Score. Cervical favourability before induction. Includes the formula and registered source where available. - [Mean Arterial Pressure](https://obgyndecode.netlify.app/reference/calculator/map.md): Mean Arterial Pressure. MAP; FOGSI HDP-Gestosis screening uses MAP>85 as risk point. Includes the formula and registered source where available. - [Obstetric Shock Index (HR/SBP)](https://obgyndecode.netlify.app/reference/calculator/shock-index.md): Obstetric Shock Index (HR/SBP). Early PPH shock detection. Includes the formula and registered source where available. - [MgSO4 Loading Assistant (Pritchard)](https://obgyndecode.netlify.app/reference/calculator/mgso4-pritchard.md): MgSO4 Loading Assistant (Pritchard). Fixed Pritchard regimen components + toxicity checklist. Includes the formula and registered source where available. - [TXA PPH Timing Check](https://obgyndecode.netlify.app/reference/calculator/txa-pph.md): TXA PPH Timing Check. Verifies the 3-hour WOMAN-trial window and dose plan. Includes the formula and registered source where available. - [Iron Deficit (Ganzoni-style)](https://obgyndecode.netlify.app/reference/calculator/iron-deficit.md): Iron Deficit (Ganzoni-style). Approximate elemental iron deficit for replacement planning. Includes the formula and registered source where available. - [Transfusion Units for Hb Target](https://obgyndecode.netlify.app/reference/calculator/transfusion-target.md): Transfusion Units for Hb Target. Approximate PRBC units to reach a target Hb at term blood volume. Includes the formula and registered source where available. - [Corrected Sodium & Anion Gap](https://obgyndecode.netlify.app/reference/calculator/corrected-na-anion-gap.md): Corrected Sodium & Anion Gap. Hyperglycaemia-corrected Na and AG for DKA assessment. Includes the formula and registered source where available. - [QTc (Bazett)](https://obgyndecode.netlify.app/reference/calculator/qtc.md): QTc (Bazett). Rate-corrected QT before QT-prolonging drugs (ondansetron etc.). Includes the formula and registered source where available. - [LMWH Weight-Band Assistant](https://obgyndecode.netlify.app/reference/calculator/lmwh-dose.md): LMWH Weight-Band Assistant. Treatment-dose enoxaparin by weight band (specialist confirm). Includes the formula and registered source where available. ## Obstetric & gynaecology differential diagnosis - [Obstetric & gynaecology differential diagnosis](https://obgyndecode.netlify.app/ddx/): Browse clinical presentations, immediate red flags, urgent workup and structured differential diagnoses linked to clinical topics. - [Bleeding in pregnancy](https://obgyndecode.netlify.app/reference/ddx/ddx-bleeding-pregnancy.md): Bleeding in pregnancy: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Abdominal pain in pregnancy](https://obgyndecode.netlify.app/reference/ddx/ddx-abdominal-pain-pregnancy.md): Abdominal pain in pregnancy: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Reduced fetal movements](https://obgyndecode.netlify.app/reference/ddx/ddx-reduced-fetal-movements.md): Reduced fetal movements: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Headache + high BP in pregnancy/postpartum](https://obgyndecode.netlify.app/reference/ddx/ddx-headache-highbp.md): Headache + high BP in pregnancy/postpartum: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Fever in pregnancy/postpartum](https://obgyndecode.netlify.app/reference/ddx/ddx-fever-postpartum.md): Fever in pregnancy/postpartum: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Dyspnoea in pregnancy](https://obgyndecode.netlify.app/reference/ddx/ddx-dyspnoea-pregnancy.md): Dyspnoea in pregnancy: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Vaginal discharge / cervicitis](https://obgyndecode.netlify.app/reference/ddx/ddx-vaginal-discharge.md): Vaginal discharge / cervicitis: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Acute pelvic pain (non-pregnant)](https://obgyndecode.netlify.app/reference/ddx/ddx-acute-pelvic-pain-gynae.md): Acute pelvic pain (non-pregnant): red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Postmenopausal bleeding](https://obgyndecode.netlify.app/reference/ddx/ddx-pmb.md): Postmenopausal bleeding: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. - [Infertility evaluation](https://obgyndecode.netlify.app/reference/ddx/ddx-infertility.md): Infertility evaluation: red flags, urgent workup, differential diagnoses and first moves, with links to the relevant clinical modules. ## Obstetric & gynaecology procedures - [Obstetric & gynaecology procedures](https://obgyndecode.netlify.app/procedures/): Browse procedure references with indications, consent, preparation, steps, complications, follow-up and registered sources. - [Pap Smear & Colposcopy](https://obgyndecode.netlify.app/reference/procedure/proc-pap-colposcopy.md): review; clinical verification date not recorded - [IUCD Insertion (Cu-IUD / LNG-IUS)](https://obgyndecode.netlify.app/reference/procedure/proc-iud-insertion.md): review; clinical verification date not recorded - [Manual Vacuum Aspiration (miscarriage/abortion <=12 wks)](https://obgyndecode.netlify.app/reference/procedure/proc-mva.md): review; clinical verification date not recorded - [Intrauterine Balloon Tamponade (PPH)](https://obgyndecode.netlify.app/reference/procedure/proc-balloon-tamponade.md): review; clinical verification date not recorded - [Diagnostic Hysteroscopy (+ targeted biopsy/polypectomy)](https://obgyndecode.netlify.app/reference/procedure/proc-hysteroscopy-diagnostic.md): review; clinical verification date not recorded - [Caesarean Section Core Operative Page](https://obgyndecode.netlify.app/reference/procedure/proc-caesarean-core.md): review; clinical verification date not recorded ## Clinical guidelines & source register - [Clinical guidelines & source register](https://obgyndecode.netlify.app/sources/): View the clinical source register: guideline organisations, versions, source URLs, recorded check dates and verification status. ## About OBGYN Decoded - [About OBGYN Decoded](https://obgyndecode.netlify.app/about/): About the doctor-facing, India-first OBGYN Decoded reference, its source register and its clinical verification labels.