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18#
发表于 2014-12-22 01:51:31
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来自: INNA
119应该是非常好。我记得我dating scan的时候是120,是个非常非常好的数,跟gestational age正好符合,也是快7周的时候做的。
从网上抄来的:
At about 5 weeks gestation, your baby's heart begins to beat. At this point, a normal fetal heart rate is about the same heart rate as the mother's: about 80-85 beats per minute (BPM). From this point, it will increase its rate about 3 beats per minute per day during that first month. |
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