After coitus cushion buttocks twenty minutes or so, because after sex will be women’s hips, to be able to ensure that the semen into the uterus to reduce the outflow of the situation, can increase the chances of conception, because after ejaculation can reach the fallopian tube sperm is relatively small, and a lot of the rest of the sperm will be discharged out of the body with the vagina. However, after sex, the practice of the hips is not the longer the better, although this can increase the chances of conception, but the best way is to calculate the ovulation period, in the ovulation period to have sex can greatly improve the possibility of conception. Women can start taking folic acid during the preparation period, men should also pay attention to change the bad habits, in order to ensure that the quality of the sperm is high, and to reduce the number of drugs during the preparation period, otherwise it will have an impact on the fetus.