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A 24-year-old female asked:

My periods get late by 15-20 days when i have sexual intercourse. however, in months when i don't have sex, my periods come on time. what is reason?

1 doctor answer • 1 doctor weighed in
Dr. Lori Semel
Dr. Lori Semelanswered
Pediatrics 37 years experience
Unknown: Having sexual intercourse does not in itself cause a change in your cycle. However, perhaps it is the stress of thinking you might be pregnant?
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3.8k viewsAnswered >2 years ago
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Last updated Aug 17, 2014

Found in:

Female health

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