Without coital ejaculation, sperm and egg cannot meet and pregnancy is generally not possible. But there are special circumstances, so it is not absolute. 1. general no intercourse is not pregnant, the prerequisite for pregnancy is the male ejaculation behavior, and women are in the ovulation, so that the sperm and the egg will have the opportunity to combine, sperm and egg combined into a fertilized egg, in the uterus successfully in order to get pregnant. 2, ejaculation but did not have intercourse, usually the sperm can not enter the body of the woman, so can not complete the process of pregnancy. However, if you ejaculate in the vaginal opening, there is still a certain probability that the sperm will enter the vagina, and it has been reported in the literature that there is also a possibility of pregnancy. If you are sexually active but are not ready to become pregnant, you need to use contraception in advance. Couples who intend to get pregnant, both spouses should go to the hospital for a comprehensive examination before getting pregnant, make a good preparation plan for pregnancy, eugenics, and give birth to a healthy baby.