What is the reason for irregular menstruation after miscarriage?

Patient's question:

After miscarriage, why is menstruation irregular?
Accidentally pregnant and had a miscarriage, but menstruation has been abnormal after the miscarriage. Why?

Doctor's answer:

Hello! After artificial abortion, the ovaries generally recover their ovulation function within 22 days, and menstruation usually occurs around 1 month later. However, a small number of women may experience menstrual disorders such as prolonged menstruation, irregular cycles, or amenorrhea after artificial abortion. This condition usually normalizes within 2-3 months, but in some cases, it may last longer.
Advice: Artificial abortion consumes qi and blood, directly damages the uterus, and affects ovarian function. It can lead to qi and blood deficiency, cold congealing, qi stagnation, and blood stasis, resulting in menstrual disorders. After artificial abortion, menstruation usually resumes around 1 month later. However, due to the recovery of the endometrium and ovaries, as well as endocrine influences, temporary abnormalities may occur, with the adjustment period lasting up to 3 months.

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