摘要
目的:探讨超声检测胎儿手指的最佳时期,提高手指畸形检出率。材料和方法:随机选取孕13～24周的孕妇332例664只胎手,在常规孕期超声检查时观察胎儿手指情况。结果:孕13～14周胎手均处于伸手状态,但绝大部分胎儿有部分指骨尚未骨化;孕15～16周部分胎手呈握拳状,仍有部分指骨尚未骨化;孕17～18周约80%能完整显示胎儿手及各节指骨;孕21周以后握拳的比例逐渐增加,手指显示率下降。结论:孕17～18周胎儿手多处于伸手状态,各节指骨均已骨化,是观察胎儿手指最佳时期。
Purpose：Ultrasound is one of the preferable methods in the investigation of abnormality of fetus.The aim of this study was to find the best time for inspecting the fetal fingers.Materials and Methods：664 hands of 332 fetuses from 13th week to 24th week were inspected using transabdomenal ultrasound.Results：All of the fetuses stretched their hands in the time-window from the 13th to 14th week,but most of the phalanges were not ossificated.Some of fetuses clenched fists during the 15th to 16th week,but many phalanges were still not fully ossificated.In the 17th to 18th week,80% of the fetal hands and phalanges could be satisfactorily inspected.The fetuses clenched fists more frequently after the 21st week and less fetal fingers could be displayed.Conclusion：The best time for inspecting fetal fingers was from the 17th to 18th week in pregnancy.
出处
《中国医学影像学杂志》
CSCD
2007年第6期404-405,共2页
Chinese Journal of Medical Imaging
关键词
超声检查
中期妊娠
胎儿手指
ultrasonography
the midmester of pregnancy
fetal fingers
