Abortion 45 days did not come to menstruation, considering the surgical damage to the endometrium, endocrine disorders, etc., wuji baifeng pill is suitable for identification of qi and blood deficiency of female patients to take, and is not applicable to all women, so it can not be sure how long after taking the drug can work, and at the same time should be based on the cause of the selection of the appropriate medication to actively treat. 1. Surgical damage to the endometrium: due to abortion surgery will scrape out the endometrial tissue, which will lead to different degrees of damage to the endometrium, so it will lead to menopause, menstrual bleeding, etc. At this time, due to the thinness of the endometrium, you can follow the doctor’s instructions to take estrogen and progesterone preparations to repair the endometrium. 2. Endocrine disorders: as the scraping will stimulate women, it may cause women’s endocrine function disorders, usually in the three months after the operation, irregular menstruation, amenorrhea and other menstrual disorders, at this time, you can follow the doctor’s instructions to use progesterone preparations to adjust the menstrual cycle. At the same time, for women who are identified as weak in qi and blood, they can be treated with Wu Ji Bai Feng Pills. If menstruation persists in the future, it is recommended that the patient go to the gynecology department of a regular hospital as early as possible, complete the ultrasound and other relevant examinations, and then take active treatment under the guidance of the doctor after clarifying the cause of the disease.