Hi,
Welcome to HCM,
In a women of child bearing age, the most common cause of abnormal uterine bleeding is pregnancy and its complications like ectopic pregnancy and
miscarriage.
As bleeding occurred again after 10 days only, chances of pregnancy are not present.
Next common cause of
dysfunctional uterine bleeding is PCOD.
Other causes are hormonal imbalance, trauma,
anovulatory cycle, infection(cervicitis,
endometritis, vaginitis), uterine polyp/fibroid, P.I.D., cancer (of vagina, cervix, uterus, ovaries), certain drugs and
bleeding disorder etc.
Detailed history, examination and investigations are required.
Thus you should consult a Gynecologist to establish a diagnosis and treatment.
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With good wishes,