Yes it remains: The innitial funtion of the yolk sac is to produce first blood cells of the little baby. Later on remains in pregnancy as a tiny white bubble. It can be seen after the placenta is delivered if you look carefully for it.
Answered 7/6/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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