The best time for couples to conceive is during a woman’s ovulation period. If there is a need to get pregnant, you can have intercourse when the woman is ovulating, regular menstruation women usually 14 days before the next menstruation, which can promote the combination of fertilized eggs and improve the chances of conception, women can monitor the development of follicles through the basal body temperature, ovulation test paper, ultrasound, etc., and guide the coitus. However, there are many factors that affect women’s pregnancy, including the factors of both men and women, if the case of normal sex without contraception, one year without pregnancy, consider infertility, may be caused by male sperm abnormality, but also may be caused by female fallopian tube blockage, immune factors, chromosomal factors, etc., suggest that men and women to improve the examination, conditioning of the body and then prepare for pregnancy. The same can be said for the other two, which are the same as the other two, which are the same as the other two, which are the same as the other two.