Under normal circumstances, there are some aerobic bacteria and anaerobic bacteria in the vagina, which form a balance and naturally form a defense mechanism with a self-purifying effect. In addition, in a normal couple's life, normal men's semen contains a natural protein that inhibits the growth of bacteria, which is still helpful to protect women and can inhibit the growth of some bacteria.

At the same time, under normal circumstances, vaginal secretions can expel many pathogenic bacteria, but there is an oil on condoms that is difficult to expel, making it difficult to expel some harmful bacteria. This may be the reason why gynecological inflammation increases in women who use condoms.

Expert advice: It is generally not recommended to use condoms to prevent pregnancy in normal married life. But it is undeniable that there are more and more abnormal sex lives nowadays, so in this case, condoms should be recommended first.

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