在双胞胎怀孕中查和预防早产
1Obstetrics and Gynecology Department, Maternal Fetal Medicine Division, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania.
Clinical obstetrics and gynecology
|November 1, 2023
概括
双胞胎怀孕具有更高的早产 (PTB) 和婴儿死亡风险. 通过阴道的宫长度是PTB预测的关键,具体的干预措施可以改善结果.
科学领域:
- 产科和妇科 产科和妇科
- 周围生理学 周围生理学
- 孕产妇和胎儿医学 孕产妇和胎儿医学
背景情况:
- 双胞胎占活产的3.2%,但占早产的20%.
- 双胞胎妊娠带有显著更高的早产 (PTB) 和婴儿死亡率的风险.
- 在双胞胎中发现的PTB风险因素包括先前的PTB,单胎盘,短宫和宫干预.
研究的目的:
- 审查双胞胎怀孕中早产的风险因素和预测工具.
- 评估已被证明可以减少早产和改善双胞胎新生儿结局的干预措施.
主要方法:
- 关于双胞胎怀孕,早产风险因素和管理策略的文献综述.
- 通过阴道测量宫长度的预测值的分析.
- 评估阴道孕激素和 cerclage 预防PTB 的疗效.
主要成果:
- 在24周前通过阴道测量宫长度是双胞胎中PTB最有效的预测指标.
- 在宫长度<25毫米的妇女中使用阴道孕激素可以显著减少PTB.
- 宫扩张>1厘米的圆圈放置改善了新生儿的结果.
结论:
- 通过宫长度评估,早期识别有风险的双胞胎怀孕至关重要.
- 针对性的干预措施,如阴道孕激素和 cerclage 可以有效地减轻PTB的风险,并提高双胞胎的新生儿健康.
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