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胎动变化是孕妇了解胎儿安危的客观指标,通过胎动计数可初步判断胎儿在宫内的安危。 胎动是胎儿不规律的肢体活动,腹壁较薄的孕妇可在腹部看到胎儿的滑动,有时能感到胎儿肢体撞击腹部。正常情况下,妊娠20周左右孕妇便感觉到有胎动,20周后胎动次数逐渐增多,到28-32周时达高峰,32周后又逐渐减少,过期妊娠(孕42周后)胎动次数减少更为明显。胎动变化规律具有“生物钟”的现象,在
Fetal changes in pregnancy is an objective indicator to understand the safety of the fetus, fetus fetal movement count can be a preliminary assessment of the safety of the fetus in the uterus. Fetal movement is an irregular physical activity of the fetus, abdominal thinner pregnant women can see the fetus in the abdomen sliding, and sometimes can feel the fetus limbs hit the abdomen. Under normal circumstances, pregnant women will feel fetal movement around 20 weeks of pregnancy, 20 weeks after the number of fetal movement gradually increased to reach peak 28-32 weeks, and then gradually decreased after 32 weeks, expired pregnancy (42 weeks after pregnancy) decreased fetal movement more obvious. Changes in fetal movement with the “biological clock” phenomenon, at