When Does the Fetus have a Heartbeat (Embryo Heart)
During the fifth week, the embryo is 0.5cm long and the size is as a sesame seed. As the fetus’s major organs are developing …
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Website dedicated to first-time mothers
During the fifth week, the embryo is 0.5cm long and the size is as a sesame seed. As the fetus’s major organs are developing …
source
Heart developes before brain?
If a baby isn't alive inside of you, why does it have its own beating heart? ❤