If you have had a medicated abortion before, you can continue to have a medicated abortion. If that previous medication abortion has been successful, completely expelling the membranes as well as the gestational sac, without clearing the uterus, and with normal menstruation, it means that the medication abortion is more effective and that it was successful. If the second pregnancy is about 42 days after menopause and the gestational sac is not very large, you can choose medical abortion. If the days of menopause > 7 weeks or the gestational sac > 3cm, this situation if the use of medication abortion, the success rate may not be particularly high, because this time the number of days is longer, the gestational sac is larger, the success rate of medication abortion may be affected by a certain degree, may be the meconium discharged or the gestational sac discharged by a certain degree of impediment, the success rate may not be as large as the original.