The chances of a 40 year old woman getting pregnant are still very high, although women’s ovarian function will gradually decline as they age, the vast majority of 40 year old women still have normal ovarian function at this time. If you are planning to get pregnant, it is best to have a blood test for sex hormone six to understand ovarian function, if the ovarian function is normal, it is recommended to do other tests before preparing for pregnancy. It is better to monitor ovulation by ultrasound and choose to have intercourse after the follicles are found to be dominant to have a higher chance of pregnancy. In addition, with age, women in their 40’s who are pregnant are already of advanced maternal age and have increased complications, so it is important to go to a high-risk obstetrics clinic for regular checkups after pregnancy.