笔者在临床实践中体会到孕产妇体位的不同对孕产妇有重要意义。现将孕妇各期的体位浅谈如下。1 妊娠早、中、晚期的体位1.1 早期妊娠(12周以前)由于胎儿较小,子宫如拳头大小,子宫底刚超出盆腔,故对下肢的血液循环没有影响,可采取随意体位。1.2 妊娠中期、晚期应避免长期站立体位 (1)因 The author realizes in the clinical practice different pregnant woman’s position has the vital significance to the pregnant woman. The status of pregnant women are now as follows. 1 early pregnancy, middle and late position 1.1 early pregnancy (12 weeks ago) due to the smaller fetus, the size of the uterus as fist, just beyond the pelvis of the uterus, it has no effect on lower extremity blood circulation, can take random position. 1.2 second trimester, late should avoid long standing position (1) because