>> More recommendations: Men's contraception results
Endogenous ejaculation is a very old topic, and there have been many controversy on the advantages and disadvantages of it.Although modern contraceptive technology has improved greatly, and contraceptive effects have also been improved, there are still quite a few couples to choose external ejaculation to achieve the purpose of contraception.As everyone knows, this method may lead to a series of adverse reactions, so it is not advocated.
The biggest disadvantage of in vitro ejaculation is that the contraceptive rate is low. There are three main reasons for failure:
1. Many men do not have the accurate time for ejaculation. The penis is pulled out of the vagina too late, and it is easy to cause semen to stay in the vagina or the vagina.
2. Semen left around the female vaginal port, men's penis or other parts will enter the female reproductive tract for other possible reasons.
3. In the process of sex, with the continuous improvement of sexual excitement, the secretion of various glandular secretions in the male reproductive system starts to be active. The secretion and some seminal vesicular liquid will overflow the urethral port and enter the female reproductive tract before ejaculation. This part of the secretion fluid will be.It contains a certain number of sperm cells.
Why is in vitro radon?
convenient
When young men and women pass your passion, will you spend more time for no or unable to find a condom? They will think they are troublesome to buy and find it.
Stimulate
It is undeniable that many young men and women now use condoms for pursuit of sex.They have abandoned an additional set, which is not straightforward enough, and is not enough to feel. They always feel that there is a "gap" with a cover.
