Eating black beans can promote ovulation to a certain extent, and it is recommended to start eating them on the 1st day after the end of menstruation for about 1 week. Black beans contain folic acid, soy isoflavones and other nutrients that can help maintain a woman’s normal menstrual cycle, improve the function of the corpus luteum, and help the follicles mature, thus promoting ovulation. However, the effect is generally slow, if you want to get pregnant, it is recommended that women start consuming it in moderation in the three months before pregnancy, and do not overdo it. However, to determine whether they have ovulation, it is best to monitor with the application of vaginal ultrasound, that is, from the 12th day of menstruation to monitor, until the follicle rupture discharged eggs, can more accurately determine the optimal time to cohabitate, increase the chances of conception. In addition, black beans can only assist in ovulation, such as ovulation disorders, taking black beans alone can not have a therapeutic effect, it is recommended to go to the hospital gynecology consultation. At the same time, women should also ensure regular work and rest, avoid staying up late; reasonable diet, maintain a pleasant mood, avoid anxiety, depression and other bad emotions.