Antenatal & maternal medicineFree in the app
Anaemia in pregnancy
Thresholds and iron treatment.
Source: BSH 2019Hb below
| 1st trimester | 110 g/L |
|---|---|
| 2nd / 3rd | 105 g/L |
| Postpartum | 100 g/L |
| Ferritin | <30 µg/L confirms iron deficiency |
Treat
- Oral iron 40–80 mg elemental once daily (or alternate days)
- Recheck Hb at 2–3 weeks; continue 3 months after normal
- IV iron (2nd/3rd trimester): intolerance, no response, Hb <100 after 34 wk
- Escalate if Hb <70 g/L or symptomatic
A summary for trained clinicians. Always check the full guideline, the patient in front of you and your hospital's protocol. Spotted an error? Tell us.