The abortion is the termination of pregnancy either by natural causes, provoked or be spontaneous. This abortion is always performed before 180 days of gestation. In the case of spontaneous abortion embryo loss occurs before 26 weeks, when the fetus has no guarantees of survival outside the womb. In a lot of cases they do not require any medical or surgical intervention. Induced abortion is one that is performed does require deliberate and expert in that procedure.