When should I start iron tablets in pregnancy?

Usually from the 2nd trimester (after week 12). Your doctor may start earlier if you're anemic.

Can iron cause constipation in pregnancy?

Yes, iron supplements can cause constipation. Take with plenty of water, fiber-rich foods, and Vitamin C.

Generally SafeFDA A

Is Iron Supplements Safe During Pregnancy?

Iron supplements are essential during pregnancy to prevent anemia and support fetal development.

Last reviewed: April 2026

Safety Summary

Iron supplements are essential during pregnancy to prevent anemia and support fetal development.

Category A — Safest

Adequate studies in pregnant women show no risk to the fetus.

Trimester-by-Trimester Guide

1st Trimester (Weeks 1–12)

Start if prescribed. Take with Vitamin C for better absorption.

2nd Trimester (Weeks 13–26)

Usually prescribed from 2nd trimester. Essential for blood volume increase.

3rd Trimester (Weeks 27–40)

Continue as prescribed. Monitor hemoglobin levels.

Brands Available in India

AutrinFeronia XTOrofer XTLivogen

Safer Alternatives During Pregnancy

Your doctor may suggest one of these alternatives. Always confirm with your obstetrician.

Iron-rich foods: spinach, jaggery, pomegranate

Frequently Asked Questions

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Medical Disclaimer: Pregnancy safety information is based on available clinical data and FDA classifications. This page is for educational purposes only and does not substitute professional medical advice. Every pregnancy is different — consult your doctor or gynaecologist before taking any medicine. Drug safety classifications may have been updated; always verify current guidelines.