A member asked:

Does sex cause blood vessels within the body to expand? or do blood vessels stay the same size during sex?

A doctor has provided 1 answer
Dr. Stephen Kibrick answered

Specializes in Clinical Psychology

Some areas do: There are many physical changes in your body that occur during sexual arousal, during intercourse, at climax, and afterwards. In men, increased blood flow to the penis causes erections, and in women similar changes cause changes in vaginal walls and lubrication. During sex, heart rate and blood pressure increases causing changes in blood flow. After orgasm, changes slowly reverse. All normal!

Answered 8/20/2016

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