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Blood Clots After Birth – When Are They Normal?

Published: 21.09.2026 1 min read
In Short

Small blood clots in the first few days are common: blood that has pooled for a while clots. Large clots, clots after days of improvement, or very heavy bleeding call for your midwife, doctor, or hospital right away.

What We've Been Sold as Normal

Blood clots sound like an emergency. Most of the time they aren't – and that's exactly why the cases that are sometimes get waited out for too long.

The Honest Explanation

Why clots form. While you lie or sit, blood pools in the vagina and uterus and starts to clot. When you stand up or go to the toilet, it comes out all at once, often with small clots. That's typical, especially in the first few days.

What's more likely normal: small clots, mainly in the first few days, becoming less frequent over time while the bleeding eases overall.

When to get help right away:

  • clots larger than roughly a plum
  • soaking through a pad within about an hour
  • dizziness, a racing heart, weakness, or feeling faint
  • fever, a foul smell, or strong pain in your lower abdomen
  • clots or heavier bleeding after it had already eased considerably

Why it matters. The cause can be retained pieces of placenta or a uterus that isn't contracting well enough. Both need treatment – and both are very treatable if you don't sit them out.

What You Often Hear – and What's True

“Clots are always leftover placenta.”
No. Usually it's clotted blood.

“If you breastfeed, you won't get clots.”
Breastfeeding supports recovery, but clots can still happen.

“Wait and see, it'll stop on its own.”
With small clots in the first days, yes. With large clots or very heavy bleeding, no.

“That doesn't happen after a C-section.”
It does. Postpartum bleeding, and with it clots, occurs after every birth.

Putting It in Context

Small, early, and becoming less frequent: usually normal. Large, late, or getting worse: get in touch right away. When in doubt, call once too early rather than once too late.

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