Want to improve the high rate of pregnancy, it is recommended to prepare for three months, ovulation after intercourse. 1. three months of preparation: want to improve the chances of pregnancy, it is recommended that men and women first prepare for pregnancy for three months time, before preparing for pregnancy you can go to the hospital to do a pre-pregnancy examination, to understand the physical condition of both parties, there is no problem in all aspects. During the preparation period to take folic acid tablets, pay attention to nutritional supplements, appropriate exercise exercise, ensure adequate sleep, avoid exposure to harmful substances, a good lifestyle and a healthy body can try to achieve eugenics. 2. After ovulation: you can use ovulation test paper or ultrasound to monitor ovulation, and arrange intercourse after the mature follicle is discharged, which can effectively improve the success rate of pregnancy. The rate of fertilization is very high when you have intercourse within two or three days before and after ovulation. Conception is a complicated process, women want to improve the chances of pregnancy, usually also need to relax their mood, to avoid excessive stress. If you have a normal sex life, not pregnant for more than 1 year, it is recommended to go to the hospital in time for a clear diagnosis and standardized treatment.