Ejaculation in vitro method, also known as out or interrupted sexual intercourse law. Ejaculation in vitro methods are based on male physiological phenomenon. Highlight of the men is divided into two phases, the first stage, sperm concentration in penis, known as the \"ejaculation is inevitable\" stage, reached the second stage--after a few seconds \"ejaculatory phase\", after urethral injection of semen.
When using in vitro by ejaculation, men in the ejaculation is inevitable stages out of the penis from the vagina, ejaculation outside the body of the woman when men in sexual excitement may contain a small amount in the secretion of the sperm, but not necessarily contain sperm, although they may run the pregnancy, but very few are. Ejaculation is discouraged in vitro contraception because very bad control, if he did well to control the ejaculation in vitro, you may not be pregnant.
But in vitro of ejaculation can cause a very serious problem: premature ejaculation. Using in vitro ejaculation of contraception by women and men, the most common procedures are stimulated men in the prelude to a very exciting stage, pumping after inserting hard times when allocating ejaculation, which can make men meet, at the same time guarantee that women will not pregnant. But both men and women because of it\'s easy to fall into the psychological trap, start ignoring the concept of man should help women meet. Therefore, it won\'t be long before men will develop a habit of premature ejaculation.
Problem: Beware of contraception by external ejaculation sequel
Do test your premature ejaculation?
Vitro ejaculation causes a lack of experience of young men develop rapid ejaculation reaction, man cannot ramp up to ejaculation in the vagina, cannot freely enjoy orgasm pleasure. At the same time, physically and psychologically, both men and women will agree that vaginal is used so that the men be pleasure ejaculation organ.
Ejaculation in vitro method may be the world\'s most popular contraceptive method, is also the least efficient method of birth control. According to the statistics, if you have 100 couples using this method of contraception, there are 30 women are pregnant.
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Ejaculation in vitro method easy to fail for three reasons:
1. Usually before the ejaculation of sperm cells from the urethral orifice outflow drops, about 50,000 per drops contain sperm, into the vagina, a drop of semen can make an egg fertilization of the woman.
2. In the Sprint to the most intense phase, timing may vary from taking penis man of attachment loss of pleasure and too late, the part of the semen shoot within the vagina.
3. Sometimes after in vitro fertilization and ejaculation, men at once with your finger to touch women in the groin, making her climax, or isolation for the second time it won\'t be long before sexual intercourse. In both cases, the fingers may sperm into the vagina and penis.
Ejaculation is not a good method of contraception in vitro, even in safe use, failure rate is still high, but she may have a habit of premature ejaculation, therefore, for newly married couples will soon want to contraception, you can try tools contraceptive drugs or the contraceptive method, if you insist on using in vitro by ejaculation, chances are \"throwing good money after bad\" Ah!
