4 doctors weighed in:
Can you avoid getting pregnant by having sex on your period?
4 doctors weighed in

Dr. Nikolaos Zacharias
Obstetrics & Gynecology - Maternal Fetal Medicine
2 doctors agree
In brief: Not reliably.
First off, having vaginal intercourse during menstruation is unappealing to your partner and probably unhygienic for both of you.
Secondly, you cannot count on contraception because some cycles have early ovulation and pregnancy can still occur (up to 25% risk if ovulation occurs within 5 days of the start of your menses).

In brief: Not reliably.
First off, having vaginal intercourse during menstruation is unappealing to your partner and probably unhygienic for both of you.
Secondly, you cannot count on contraception because some cycles have early ovulation and pregnancy can still occur (up to 25% risk if ovulation occurs within 5 days of the start of your menses).
Dr. Nikolaos Zacharias
Dr. Nikolaos Zacharias
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Dr. Gregory Hines
Family Medicine
In brief: Yes
If you are on your menses, then that is the process that is cleaning your uterus out for next month.
You cannot get pregnant if you are actively bleeding.

In brief: Yes
If you are on your menses, then that is the process that is cleaning your uterus out for next month.
You cannot get pregnant if you are actively bleeding.
Dr. Gregory Hines
Dr. Gregory Hines
Thank
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