There is generally no relationship between the success rate of pregnancy and the position. You can have intercourse at the time of ovulation to help improve your chances of getting pregnant. Conception is a complicated process and there are many factors that can affect conception, such as age, immune factors, reproductive system diseases, gynecological diseases, and the environment, etc. However, there is generally no relationship between the position of intercourse and the chances of getting pregnant. Pregnancy requires healthy sperm and mature eggs. If a woman of childbearing age has regular menstrual periods, she can increase the number of coitus during ovulation by calculating the ovulation period or monitoring ovulation through ultrasound, which will help to increase the chances of pregnancy. If you have a normal sex life and no contraceptive measures, more than a year without pregnancy may be infertility, can both seek medical examination. It is recommended to eat a reasonable diet during the preparation period, quit smoking and drinking, exercise properly, maintain a good state of mind, and take oral folic acid under the guidance of a doctor.