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妊娠合并威胁母体生命的并发症,何时中断妊娠胎儿在体外生存的可能性更大?本文通过1988年日本妇产科学会围产期管理登记委员会对极低体重儿的保育调查进行探讨,为适时引产积累了资料。该委员会对24个医疗单位在1988年中孕18～27周娩出儿进行了调查,其孕周用末次月经、B超测量、基础体温等综合判定。能明确孕周18～27.9存活者266例。<24孕周自然流产的83例中,仅存活12例(14.5%),24孕周存活11例(11/16,68.8%),25孕周存活18例(18/32,56.3%),26孕周存活25例(25/27,92.6%),27孕周存活39例(39/45,86.7%)。从孕18～27周末总计存活105例(105/
Pregnancy complications threatening the life of maternal complications, when the fetus is interrupted pregnancy more likely to survive in vitro? This article by the 1988 Japanese Society of Obstetrics and Gynecology, Perinatal Management Registration Committee on low birth weight children’s care survey to investigate Timely induction of labor accumulated information. The committee conducted a survey of 24 medical units in 18 to 27 weeks of pregnancy in 1988 to deliver the child, the gestational age with the last menstruation, B-measurement, basal body temperature and other comprehensive determination. Clear gestational age 18 to 27.9 survivors in 266 cases. Of the 83 spontaneous abortions <24 gestational weeks, only 12 (14.5%) survived, 11 (11/16, 68.8%) survived 24 weeks and 18 (18/32, 56.3% Twenty-five gestational weeks survived in 25 cases (25/27, 92.6%), and 39 weeks (39/45, 86.7%) survived in 27 weeks. From 18 to 27 weeks of pregnancy, the total survival of 105 cases (105 /