Nobody knows: we know it is from the high estrogen level, but why we do not know. Perhaps for the baby to find the nipple easily. Pigmentations occurs also along the abdominal mid line
Answered 8/1/2014
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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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