Inventory: Four wrong contraceptive methods

　　in vitro ejaculation Law:"" How to make a woman orgasm quickly   5 types of sex women are ashamed of

　　In vitro ejaculation method means that during sexual intercourse, when the man feels the sensation of ejaculation, that is, before ejaculation, he pulls the penis out of the vagina in time, and ejaculates the semen outside the vagina, so that sperm It cannot meet the egg to achieve the purpose of contraception. It is easy to get pregnant using this method.

　　Because during sexual intercourse, a small amount of semen often flows into the vagina along with the prostatic fluid before ejaculation. Or when the sexual pleasure reaches the extreme, the movement of withdrawing the penis is a little slow (the "heat" is difficult to accurately control), and part of the semen has been ejected into the vagina, resulting in contraceptive failure. In addition, this method can easily make both men and women nervous due to paying too much attention to the ejaculation time, making the sexual intercourse unsatisfactory, and even causing sexual intercourse over time. nerve weak.