With normal menstruation, the vast majority of ovulations will also be normal. Infertility may be caused by the absence of mature follicles throughout the menstrual cycle, despite normal menstrual cycles, normal menstrual flow, and normal menstrual color. This is caused by an imbalance in the secretion of certain hormones. Therefore, if ovulation dysfunction occurs, it is recommended to check the ovarian function first, and then give treatment to promote ovulation, such as taking Clomiphene on the 5th day of menstruation under the guidance of the doctor to promote ovulation for treatment. Women who are preparing for pregnancy can have an ultrasound to detect ovulation so that they can choose to have intercourse when the follicles are ripe. In addition, if the couple has been preparing for pregnancy for more than one year without pregnancy, they need to go to the hospital in time, and be given relevant examinations by specialized doctors to find out the causes of infertility and treat the causes.