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本文总结我院1993年8月至1996年5月间因无脑畸形终止妊娠12例。应用B超产前诊断方法简便、可靠，均采用雷夫奴尔羊膜腔内注入终止妊娠。探讨致畸因素及叶酸的预防性应用。
This article summarizes our hospital from August 1993 to May 1996 due to anencephaly termination of pregnancy in 12 cases. Application B prenatal diagnosis method is simple and reliable, are used Levuram amniotic intrauterine injection termination of pregnancy. To explore the teratogenic factors and folic acid prophylactic application.