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Effects of having sex while on period

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My girlfriend says that when she is on her menstrual cycle she feels cold because of the blood loss. She also says having sex then can injure the injured area inside her and lead to more injury. She also claims that in the past that she had sex during her period and doing so increased the length of her period. She also tells me she cannot tolerate cool water in the shower and that it is harmful to eat anything cold during her period. Hoping to find the above information on the internet, I have not been able to. Instead I read that having sex during the period for some women can cut down on the pain and lesson the time of blood flow. I am confused and would like to have the facts. Having sex then is a mute point for me but I would like to have accurate information. John

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replied September 15th, 2010
Menstruation Answer A16121
Welcome to ehealthforum.
The lady could have got used to her own beliefs to feel the symptoms she feels during the period time. There is no ‘injured’ part inside. During menstruation, the uterine lining or the endometrium gets shed periodically to get built again to be able to receive fertilized egg for further growth. When pregnancy does not result during the menstrual cycle, it gets shed as periods along with blood.
The fact that sex during periods relieves pain and blood flow is due to the hormonal changes the intercourse produces. But it can result in higher chances of infection, hence in ‘olden days’ such beliefs have been formed to avoid having intercourse during menstrual bleeding.
Take care.

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