Abortion refers to artificial abortion, because progesterone is a prescription drug, so how many capsules of progesterone a day to promote menstruation after abortion need to be judged according to individual circumstances, there is no clear number. Abortion generally includes drug abortion and surgical abortion, the female uterus will cause some damage, some women in the abortion, there is a delay in menstruation, can be treated by taking progesterone, the amount of drugs need to be under the guidance of the doctor based on individual circumstances, usually 200-400mg / day. Progesterone is a progesterone drug, for women with delayed menstruation can play a role in improving the correct use of the drug will not produce too many adverse effects on the body, but for the ingredients of allergies and vaginal bleeding of unknown reasons patients can not be used. Because progesterone and other drugs may interact with each other, so you need to follow the doctor’s instructions when taking the drug.