主题：前列 | 医源世界 关键词 米非司 米索前列醇 中期妊娠 引产 [gap=813]Key words mifepristone misoprostol second-trimester abortion
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second trimester 中期妊娠 ; 孕中期
Second trimester pregnancy 中期妊娠 ; 妊娠中三个月
inducing abortion in second trimester 称中期妊娠引产术 ; 称中期怀胎引产术
second trimester of pregnancy 妊娠中期 ; 妊娠中三个月
second trimester screening 中孕期筛查
The second trimester of pregnancy 妊娠中期
second-trimester abortion 妊娠中三月的流产
abortion in second trimester 中期妊娠流产
Methods We collected 101 term placentas and sera from mothers and their newborn infants, 24 aborted first-trimester placentas and sera from those pregnant women, and 11 induced aborted second-trimester placentas and sera from HBsAg carrying pregnant women.
方法 共收集了HBsAg携带孕妇孕早期血清及其人工流产胎盘24例、HBsAg携带孕中期引产妇女血清及其胎盘和胎儿11例、HBsAg携带足月分娩妇女血清及其胎盘和新生儿101例。
参考来源 - 乙肝病毒经胎盘感染致宫内传播的分子流行病学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： second trimester
以上来源于: WordNet
Absent or shortened nasal bone length and the detection of down syndrome in second-trimester fetuses.
缺失或缩短的鼻骨长度和中期妊娠胎儿患唐氏综合症的检测。
ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
These severe leg cramps usually pop up in the second trimester and continue through the third.
这种严重的腿部肌肉抽筋现象通常出现在怀孕中期，并持续整个怀孕后期。
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