It stops development of the placenta or embryo by preventing cells from multiplying. Methotrexate is given by injection, and a few days later women insert four pills of misoprostol vaginally. Patients say about medical termination that they feel in control of their bodies, there are no instruments used so they feel less invaded. There is a misconception that it's safer. I don't think that's been demonstrated statistically yet.
Surgical terminations are extraordinarily safe.
It has to be used within 72 hours of unprotected sexual intercourse because it prevents the fertilized egg from implanting itself into the uterine wall. When a woman is carrying several fetuses at once, a process known as selective reduction or selective termination can be used to increase the likelihood that the remaining fetuses will survive. The medical options for ending pregnancies are far different now than they were when the Supreme Court issued the Roe vs. Wade ruling 25 years ago. Used within 72 hours of intercourse. Used with pregnancies between 1 and 7 weeks.