人工中绝妊娠手术因为妊娠时期不同,而采取方法亦不同。妊娠晚期非有医学指征,通常不适于提早行人工引产,因为早期引产对胎儿活存受到损害;妊娠中期因妊卵着床比早期更为稳定,一次引产术常不易达到目的,徒然增加母体痛苦;在妊娠早期(十二周以内)子宫虽增大但宫壁尚厚,胎儿发育尚小,此时行宫颈扩张刮取胎儿能一次达成目的而损伤也小,所以妊娠早期人工流产术乃被经常采用以达到中止妊娠之目的。人工流产手术具有一定的危害性,近期的 Artificial pregnancy in pregnancy because of different pregnancy, and take a different approach. Late pregnancy non-medical indications, usually not suitable for early artificial induction of labor, because early induction of labor on the fetus survival damage; mid-pregnancy pregnancy due to pregnancy more stable than the early, a induction of labor often difficult to achieve the goal, in vain to increase the mother Pain; in early pregnancy (within twelve weeks), although the uterus increases but the palace wall is thick, fetal development is still small, this time cervical dilatation scraping the fetus to achieve one purpose and damage is small, so the first trimester of abortion is Is often used in order to achieve the purpose of termination of pregnancy. Induced abortion has some dangers, the recent