Taking Dingkundan for a long period of time has no effect on assisting pregnancy. Dingkundan has the effect of nourishing qi and blood, regulating menstruation and relieving depression. Dingkundan is composed of red ginseng, deer antler, saffron and panax ginseng. Clinically, it is used for dysmenorrhea caused by deficiency of qi and blood, stagnation of qi and blood stasis, irregular menstruation, abdominal pain during menstruation, blood leakage (excessive menstruation or more than a few drops), leucorrhoea (abnormal leucorrhoea with blood or blood clots), and tidal fever of bone vapor (a burst of heat, feeling that the heat is penetrating from the inside of the bone outward), etc. It should be noted that this medicine should not be taken to nourish and tonify qi and blood, and should not be used to treat menstrual disorders. It should be noted that, avoid cold, greasy and stimulating food when taking this medicine; stop taking it when you have a cold or flu; those who have normal menstruation and suddenly have scanty menstruation or staggered menstruation or irregular vaginal bleeding should go to the hospital; those who do not have any relief from the symptoms after taking the medicine for 1 month should go to the hospital. If there is infertility and other conditions, according to the individual’s condition, symptoms, tongue, pulse, etc., under the guidance of the doctor after identification, choose the appropriate drugs to regulate the symptoms. It is not recommended to take Dingkundan directly to help pregnancy. In addition, taking Dingkundan should be carried out under the guidance of a doctor.