How long it takes for menstruation to start after diagnostic scraping depends on the individual’s condition, and it usually takes about a month to get menstruation. Diagnostic scraping refers to diagnostic scraping, which is to scrape the uterine lining, the damage to the lining of the uterus is greater, and it takes a period of time to fully recover, so the time of menstruation is not accurate, and most of the patients may have menstruation after a month when the lining of the uterus gradually recovers. However, if the individual’s physical condition is poor and the recovery is slow, the onset of menstruation may be prolonged. After diagnostic curettage, we need to observe the recovery of the body. If the bleeding is heavy and the symptoms of abdominal pain are frequent, we need to consult a doctor in time to avoid diseases. If endometrial cancer or other diseases appear after diagnostic curettage, early surgical treatment is recommended to avoid complications.