Iscarriage, could be the spontaneous termination of pregnancy before 20 weeks gestation22 weeks from the final menstrual period, or before the fetus has achieved 500 grams Lawn et al. Legal definitions of abortion may well differ by state. The vast majority 80 of spontaneous abortion happens by 12 weeks gestation with price estimates of about 30 Cunningham et al 2010a. Early spontaneous abortion