What does the Bible say about
sex during a woman's period?
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Question: Is it a sin or inappropriate to participate in sexual activity during the time of a woman's period (menstruation)? Also, does the Bible say it is a sin to engage in anal sex?
Answer: In the Bible, during her monthly menses, a woman was considered "unclean" ceremonially under the Old Covenant. Sex during this period of time was forbidden, "Do not have intercourse with a woman during her monthly period, because she is ritually unclean" (Leviticus 18:19).
If you do a little research, you will find there are quite a few contemporary researchers who have found that there are many sound medical reasons for abstaining from sex during the time of a woman's period.
In regard to your question about anal intercourse, this activity (between a man and a woman in marriage) is not directly prohibited by the Bible. What is clearly condemned, however, is having this kind of intimacy with a person of the same gender. The word of God says he hates sexual intercourse between men (Leviticus 18:22, see also 20:13, 15 - 16 and Romans 1:24, 26 - 27).
Recent research has shown anal sex is very often the means of transmitting diseases such as AIDS and others. An infection from the bacteria normally found in the digestive tract, such as E-coil, can also occur and be spread.
E. coli urinary tract infection (UTIs) are quite common. Nearly all of the urinary infections which occur are caused by Escherichia coli, a bacterium very commonly found in an animal's lower intestine tract. These bacterium can cause a whole host of different kinds of infections, including stuff like sinusitis and pneumonia.
Since blood is the most common growth medium used in laboratories to grow bacteria, and the most common area where e-coli are present is in fecal material (that is why most water parks forbid babies still wearing diapers to enter the pool without wearing something more protective), one can readily see how having intercourse during the menses would be dangerous for both participants and having anal sex is the rough equivalent of notifying the e-coli bacteria that you are looking to become infected.