In vitro fertilization, sperm can pass through the hymen pregnancy
summary
Human normal pregnancy is after sexual intercourse, sperm into the uterus and egg combination. But the world is always unpredictable. For example, some people are not fully involved in sexual intercourse, and even the hymen is not broken, so they get pregnant. In vitro fertilization, can sperm pass through the hymen to get pregnant? Let me introduce it to you.
In vitro fertilization, sperm can pass through the hymen pregnancy
First: sperm through the hymen need time, this reason is mainly male sexual excitement in the vagina ejaculation, but there are some sperm has entered the vagina, and the woman is good. In the ovulation period, male young and strong and excited environment, the man ejaculated semen volume must be at a higher level. because
Second: women in the excitatory period are more likely to conceive, especially when they are in the period of ovulation and orgasm. During normal sexual life, semen is stored in a place deep in the vagina called the posterior hole (semen pool), which is closest to the cervix. This makes it easy for sperm to pass through the cervix and through the uterus to reach the fertilized place 1 / 3 outside the fallopian tube.
Third: healthy and strong sperm can pass through the hymen. If the sperm fails to enter the cervix, it is only a short time of 6-8 hours to survive in the acidic environment of the vagina. Generally, the sperm of a man must be very healthy and have strong vitality to conceive.
matters needing attention
Sperm in the vagina is not destroyed by the acidic environment, is the woman's ovulation period played a role, in the ovulation period, the secretion of cervical fluid increased, and in the high excitement of sexual desire, its secretion can also continue to increase, the liquid secreted from the cervix is weak alkaline, it can play a role in neutralizing the vaginal acidic environment, so as to protect the sperm in the vagina, so that it can be extended Long life.