You should lie down for at least 30 minutes before going to the bathroom during pregnancy to increase the chances of conception. If you go to the bathroom immediately after intercourse, it will make the semen flow out of the body, and the number of sperm in the body will be reduced accordingly, so the probability of conception will be reduced. Generally, it takes 30 minutes for semen to liquefy after entering the vagina, which increases sperm activity and the chances of conception. For women with posterior uterus, after intercourse, you should take something to cushion the buttocks, keep the deep vagina low position this position for 20-30 minutes, and then go to the toilet, which is more conducive to the semen into the uterine cavity, increase the possibility of conception. Preparing for pregnancy should be a joint effort of both husband and wife, scientific preparation for pregnancy, weekdays should develop good habits, healthy diet, moderate exercise, quit smoking and alcohol, regular work and rest. Couples pay attention to more rest during the preparation for pregnancy, at the same time should relax, avoid tension, anxiety, if more than 1 year after marriage can not get pregnant, you need to go to the hospital to improve the relevant examination, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.