Why do I lose hair after pregnancy?
Last updated September 3, 2026.
Postpartum hair loss is pregnancy-held hairs shedding all at once - peaks at 4-6 months, regrows within a year. Shedding past a year, patches, or shedding with exhaustion and feeling cold: get thyroid and iron checked.
What to do
- Expect the peak at 4-6 months - and regrowth within a year, per NHS guidance.
- Handle gently - loose styles, wide-tooth comb, no tight ponytails.
- Feed the regrowth - iron and protein over hair supplements.
- Test if it persists or brings company - thyroid and ferritin after a year, or with cold intolerance and exhaustion.
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