How long does it take for menstruation to return after taking drospirenone and ethinyl estradiol tablets following a miscarriage?

Patient's question:

A doctor, about a month ago, I had my first sexual experience with my boyfriend. At that time, he didn't have a condom, so I was very afraid of getting pregnant and bought a combined oral contraceptive containing drospirenone and ethinyl estradiol. Now I want to ask, how long after an abortion will I get my period if I take drospirenone and ethinyl estradiol?

Doctor's answer:

The ethinylestradiol drospirenone tablet is a combined short-term contraceptive pill, not an emergency contraceptive. If you have unprotected sex after not taking any measures, taking the ethinylestradiol drospirenone tablet afterward will not be very effective. It cannot reverse the effects, and there is still a possibility of an unintended pregnancy. Under normal circumstances, you should take the pill for 21 days and then stop, with menstruation expected within one week. If your period does not come, the possibility of pregnancy cannot be ruled out. At that time, you should consider going to the hospital for a thorough examination to confirm the diagnosis.

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