The best way to prepare for pregnancy is to have sex every other day, preferably during the female ovulation period, which will help you get pregnant, and pay attention not to have sex too often, so as not to cause excessive physical exertion affecting the pregnancy. It is best to calculate the ovulation period according to the menstrual cycle, if in the safe period of coitus, the chances of pregnancy is very small, it is recommended to abstain from sex, in the ovulation period after coitus about 10 days to go to the hospital to draw blood to check the blood in the HCG, you can determine whether it is pregnant or not. If you are not pregnant, you need to go to the hospital for a tubal imaging test to rule out tubal blockage, if there is tubal blockage, it is best to have timely laparoscopic surgery, and reasonable use of anti-inflammatory drugs to avoid gynecological infections, one month after the surgery, you can arrange for coitus during the ovulation period. It is best not to smoke or drink during the preparatory period, not to contact things with radiation, and it is recommended to reasonably supplement folic acid.