The success rate of pregnancy can be improved to a certain extent through pre-pregnancy checkups, calculating the day of ovulation, maintaining a good state of mind, a healthy lifestyle, and controlling the number of coitus. 1. Pre-pregnancy examination: Through pre-pregnancy examination, you can find out whether there is any disease that affects pregnancy, and if there is, you can carry out targeted treatment, which can improve the success rate of pregnancy preparation. 2. Calculate the day of ovulation: If you usually have regular menstrual periods, you can also calculate the day of ovulation through menstruation, and the fertilization rate will be higher if you have intercourse during the ovulation period. Ovulation date is usually about 14 days before the next period. 3. Maintain a good state of mind, a healthy lifestyle: During the preparation for pregnancy, we should pay attention to calm the mind, do not be too nervous and worried. Don’t stay up too late, and proper exercise is also good for improving the conception rate. 4. Control the number of coitus: the number of coitus per week should not be too much, if too frequent, may affect the number of sperm and sperm quality, it is recommended that 2 to 3 times a week can be.