obstetrics obgyn
Estimated Date of Delivery (Naegele Rule)
Calculates weeks remaining to EDD from last menstrual period using the Naegele rule (LMP + 280 days).
Score interpretation
Post-dates or at term
→ Assess for induction; CTG and amniotic fluid index
Term (37-40 weeks)
→ Birth plan; group B strep screen; antenatal classes
Antenatal period
→ Routine antenatal care; anatomy scan at 18-20 weeks
Interpretation bands for the EDD Calculator. Apply clinical judgement and local guidance.
References
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Betamethasone (Antenatal Corticosteroids) · Corticosteroid (Fetal Lung Maturation)
- Metformin (Gestational Diabetes / PCOS) · Biguanide — Gestational Diabetes / PCOS
- Dexamethasone (Antenatal / OHSS / CAH) · Corticosteroid — Obstetric and Gynaecological
- Sodium hyaluronate · Ocular lubricant (hyaluronic acid)
- Medical-Grade Honey (Manuka) · Topical Wound Care Agent
- Silicone Gel / Sheeting (Scar Management) · Medical Device / Topical Scar Treatment
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.