The actual fact is that there is a possibility of pregnancy with out-of-corporeal ejaculation, but it is not absolutely possible to get pregnant.
Extracorporeal ejaculation is not a safe method of contraception, the male prostate fluid during sex also contains a small amount of sperm, such as into the vagina may lead to unwanted pregnancy, or not grasp the time of ejaculation, part of the semen overflow into the vagina may also lead to unwanted pregnancy.
Generally speaking, women’s menstruation is more regular, in the safe period of intercourse to take the method of extracorporeal ejaculation contraception, generally speaking, the chances of pregnancy are not great, but not absolutely reliable. If menstruation is irregular, the time of ovulation is not fixed, and semen enters the vagina during sex, it may lead to pregnancy.
In addition, there are many factors that affect ovulation, such as stress, taking medication, etc., may make the time of ovulation change, so extracorporeal ejaculation can not be used as a regular method of contraception, so as not to lead to unwanted pregnancy.