There is no need to continue to take dydrogesterone tablets after 22 days of abortion, and menstruation will resume 3 to 7 days after stopping the medication. The main purpose of taking dydrogesterone tablets is to promote the recovery of the uterine lining and regulate the menstrual cycle, which can be taken for 21 consecutive days under the guidance of the doctor, and then stop taking the medication, which is usually resumed in 3-7 days after stopping the medication. Therefore, you do not need to continue to take dydrogesterone tablets after 22 days of abortion, as long as you take 21 consecutive days. Cleaning the uterus is more harmful to the body, in the postoperative period, we should pay attention to good care, pay attention to rest, need to use antibiotics within a week to prevent infection. Do not do heavy physical activity within a month, do not have intercourse, pay attention to good private hygiene, if uncomfortable and early medical care.