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A member asked:
During pregnancy, what hormones/chemicals make your breasts increase in size?
A doctor has provided 1 answer
Estrogen: There are a ton of hormonal changes associated with pregnancy. The main culprit of breast tenderness is Estrogen.
Answered 11/28/2017
1.3k views
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Related Questions
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How long does it take for all pregnancy hormones and side effects to return to normal After birth? E.g relaxin ... won't be breast feeding . Thanks
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When do pregnancy hormones level out after giving birth?Im 4 months pp and my menstual cycle is regular, not breast feeding but feel hormonal still, why
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Is there a difference between hormones controlling early pregnancy and that controlling PMS ( causing headache, breast tenderness)?
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My breast didn't grow at all during pregnancy. Most of my friends went up cup sizes. Is this because I don't have much breast tissue?
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What would be the reason for a sudden increase in breast size besides pregnancy?
3 doctors weighed in across 2 answers
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