Human beings can have children by mastering the time of easy conception, controlling the frequency of sex and the correct sexual position, and adjusting the mindset of pregnancy preparation. Having a baby is the result of men and women working and cooperating together for fertility. If you want to have a successful pregnancy, it is recommended that sex should be scheduled during the woman’s ovulation period, which will increase the possibility of conception. For women with regular periods, ovulation usually occurs on the 14th day before menstruation. For women with irregular periods, ovulation can be confirmed by using ovulation test strips and ultrasound to monitor follicle development. The number of times you have sex should be moderate, adopt the correct posture for sexual intercourse, and adjust your mind to avoid too much psychological pressure. Sperm and egg are usually combined in the fallopian tube, transported to the uterine cavity in the reverse direction through the fallopian tube cilia, and planted in the endometrium for normal embryonic development, and then delivered after the full term of pregnancy.