Heavy period after pregnancy: what to know

After pregnancy, the first cycles may not resemble your earlier periods. Hormone shifts, breastfeeding and starting or changing contraception can alter timing, flow and cramps. Bleeding soon after birth is lochia rather than a period; it should be discussed with a maternity clinician if it becomes heavier, develops a bad smell or comes with fever or worsening pain. Once periods return, conditions such as fibroids, adenomyosis, polyps or hormone-related cycle changes can also contribute. Ongoing heavy loss may lead to iron deficiency anaemia.

Record when bleeding starts, how quickly products fill, clots, pain, fever and whether you are breastfeeding. Use products that let you judge flow clearly, and change them regularly. Ask before taking pain or bleeding medicines, particularly while breastfeeding or if you have another medical condition. Book a review if heavy flow returns across cycles, leaves you exhausted or affects feeding, sleep, work or caring for your baby. A clinician can review pregnancy history, contraception and medicines, and decide whether examination or blood testing is needed.

Seek urgent care for rapidly increasing bleeding, faintness, severe weakness, racing heartbeat, breathlessness, fever, foul-smelling discharge, severe abdominal or pelvic pain, or feeling suddenly unwell after birth. If pregnancy is possible and bleeding is heavy or painful, contact urgent services. These symptoms need prompt assessment rather than home monitoring.

Has my bleeding pattern changed in a way that needs checking? Could contraception, breastfeeding, fibroids or adenomyosis be contributing? Should my blood count or iron level be tested? Which treatments are compatible with breastfeeding and future pregnancy?