What causes the breast to grow bigger

But, if you're finding the opposite, that's also completely normal.They may also itch as your skin gets stretched.This reduced amount of estrogen causes.The john hopkins school of medicine explains that these normal changes in breast size happen because estrogen causes the milk ducts in the breast to enlarge, which in turn, cause the breasts to get larger.The most obvious cause of breast enlargement is puberty.

Polycystic ovarian syndrome (pcos) and galactorrhea are two such possible conditions.Sometimes large breasts can be the result of gigantomastia, a rare condition that causes excessive growth of the female breasts.It's not clear why this happens.Pregnancy and breastfeeding bring more changes to your.You may also notice that your.

Part of this is due to swelling of the mammary tissues, and part is due to body fat gain.Fluctuating hormone levels due to menopause.In the days leading up to your period, your estrogen and progesterone levels can fluctuate dramatically.If conception does not take place, these symptoms subside.Diseases which leads to abnormal levels of circulating hormones, like estrogen and progesterone, can also cause breast enlargement.

This hormone causes fat to accumulate in the breasts.Weight gain or weight redistribution.During pregnancy estrogen levels rise, and a woman will notice an increase in breast size.If the breasts continue to be different sizes, there might be a few reasons:The first sign of breast development is slight swelling under the nipple, a stage of development called breast buds.

That causes them to become less dense and more fatty, which can lead to sagging.