Tensing during: orgasm can push residual blood / tissue from uterus and vagina.
Answered 11/3/2014
3.6k views
Period: It is possible the sex act with internal penetration is causing an irritation of the uterus and dislodging some lining, etc.-thus causing your flow to pick up after the sex. If annoying to you, you may want to avoid sex while at the end of your period. Best wishes.
Answered 11/3/2014
3.6k views
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A doctor has provided 1 answer
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