胎儿腹围35和38厘米作为巨大儿的预测指标。肩难产的危险因素。

J. Gilby, M. Williams, W. Spellacy
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引用次数: 43

摘要

目的探讨超声测量胎儿腹围(AC)是否可用于预测巨大儿。研究设计利用计算机数据库,研究了1996名妊娠>或= 36周、分娩一胎婴儿并在分娩一周内进行超声检查的妇女。对胎儿AC进行评估,以确定它是否有助于预测大于4000或大于4500克的巨大婴儿的出生。结果sac对> 4500 g的婴儿的预测优于> 4000 g的婴儿。几乎所有> 4,500 g的巨体婴儿AC >或= 35 cm(68/69,或99%),但许多非巨体婴儿也在这一组(683)。99例患儿AC >或= 38 cm, 69例患儿中37例(53.6%)体重> 4500 g。大多数体重>或= 38厘米的婴儿(78%)体重> 4000克。结论胎儿AC对鉴别潜在的巨大儿有重要帮助。如果AC < 35 cm,婴儿出生体重> 4500 g的风险< 1%。如果AC >或= 38 cm,风险为37%(37/99),这些婴儿中有> 50%被确诊(37/69,53.6%)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fetal abdominal circumference measurements of 35 and 38 cm as predictors of macrosomia. A risk factor for shoulder dystocia.
OBJECTIVE To determine if ultrasound measurements of fetal abdominal circumference (AC) can be used to predict macrosomic infants. STUDY DESIGN Using a computer database, 1,996 women at > or = 36 weeks' gestation, delivering a singleton infant and having an ultrasound examination within one week of delivery were studied. Fetal AC was evaluated to determine if it was useful in predicting the birth of a macrosomic infant, > 4,000 or > 4,500 g. RESULTS AC predicted infants > 4,500 g better than those > 4,000 g. Almost all macrosomic infants > 4,500 g had an AC of > or = 35 cm (68/69, or 99%), but many nonmacrosomic infants were also in this group (683). AC of > or = 38 cm occurred in 99 infants, and 37 of the 69 (53.6%) weighing > 4,500 g were identified. Most infants (78%) with AC > or = 38 cm weighed > 4,000 g. CONCLUSION Fetal AC was very helpful in identifying potential macrosomic infants. If AC was < 35 cm, the risk of infant birth weights > 4,500 g was < 1%. If AC was > or = 38 cm, the risk was 37% (37/99), and > 50% of these infants were identified (37/69, or 53.6%).
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