OB-GYN (Obstetrician-Gynecologist) Questions Menstruation

Why would a period suddenly last long?

My periods normally last for 4 days, but the one I had this month lasted for 10 days. What could have caused this?

3 Answers

There are many reasons for prolonged menses. One of the causes can be hormonal imbalances, which may be stress related. It usually corrects itself, so see a gynecologist.
Many things could have caused it such as stress or a change in exercise routines. As long as this is not a pattern for you it is nothing to worry about. If it continues you should see a provider to determine why it is happening and to treat it.
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Various reasons. Many depending upon your age:

1. Birth control pills. May have received a new generic pack with inconsistent dosing
2. A polyp growing inside your uterus especially if this continues or worsen
3. Perimenopause
4. Hormone therapy
5. Withdrawal bleeding
6. Others

Rob Muller