Reflux: it is a reflux, it could be the way he inserted his penis, and the position of the tip of the penis at the time of ejaculation stimulate the colon which sit right there behind the cervix. the bottom line nothing to worry about.
Answered 8/24/2015
2.4k views
Prostaglandins: Semen contains a high amount of certain chemicals that cause muscle contraction. The separation between the vagina and the rectum is a fairly thin tissue and there are muscles there that contract (squeeze) to help get stool out. You may be especially sensitive to the prostaglandins causing your muscles to contract and resulting in a bowel movement. Try going beforehand if you can if it bothers.
Answered 8/24/2015
2.4k views
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A doctor has provided 1 answer
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