Screening calendar

Scans, labs and visits by week — dates from the first day of last period

Input

First day of last period

Current week (to highlight)

Due date (Naegele, +280 days)

4 August 2027

past now upcoming

Schedule

6–9 wks9 Dec — 30 Dec

First visit, registration; blood/urine labs, TORCH, HIV/syphilis/hepatitis, blood type & Rh

11–13.9 wks13 Jan — 2 Feb

1st-trimester scan (NT) + PAPP-A, β-hCG biochemistry

16–18 wks17 Feb — 3 Mar

If indicated: 2nd-trimester biochemistry (AFP, hCG, estriol)

18–21 wks3 Mar — 24 Mar

Anomaly scan — fetal anatomy, placenta, fluid

24–28 wks14 Apr — 12 May

Glucose tolerance test (gestational diabetes), CBC

28–30 wks12 May — 26 May

Anti-D immunoglobulin if Rh-negative (as prescribed)

30–34 wks26 May — 23 Jun

3rd scan — growth, position, Doppler; sick leave issued (maternity leave from 30 wks)

35–37 wks30 Jun — 14 Jul

Group B strep swab, weight/BP check

38–40 wks21 Jul — 4 Aug

Weekly visits, CTG if indicated, hospital bag ready

Baseline per MoH order No. 417 and WHO (minimum 8 contacts). Complicated pregnancies get individual schedules. Screening windows are strict: 1st scan only until 13+6, GTT at 24–28 weeks.

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