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Episode 2: Bust Size Factors

Updated: Apr 14, 2023


Welcome to our Dreamline Podcast where we talk about bust wellness and concerns affecting ladies. In this episode, we will be looking at three main factors that can affect the size of your bust: genetics, weight, and hormones.

When it comes to genetics, women are often born with their bust size. You have a fifty-fifty chance you'll get your bust size from either your mother's side or your father's side. This means that if the women on your maternal side have a history of A-cups while the women on your paternal side have a history of C-cups, the genetic predisposition of your own cup size could go either way. For that matter, it's quite normal for bust sizes to vary in a family. So don't compare your bust size with your sister's — it's just the luck of the genetics draw!

Another factor affecting bust size is your weight. The bust is made up of connective tissue, milk glands and ducts, and, most of all, fatty tissue. Your bust size can range in size from small to large, depending on the amount of fat in your bust. The more fat you have, the bigger your bust size.

Most body parts grow to a certain size and then stop. But when it comes to your bust size, it can vary quite a bit throughout your life. This is due to the hormonal changes your body experiences. Have you ever noticed a slight swelling of your bust around the time you are on your period? During the first half of your menstrual cycle, your body produces oestrogen. While in the second half, progesterone is produced which stimulates the formation of milk glands and this can make your bust swell.

Similarly, during pregnancy, progesterone levels increase to help your body produce more milk ducts and glands in preparation for breastfeeding. Your bust can grow several sizes during pregnancy and can continue to swell during postpartum if you breastfeed. You will typically return to your pre-pregnancy bust size after you have stopped breastfeeding for a few months.

So there you have it! Not all busts are created equal. They vary in shape and size due to factors you can’t fully control. No matter the stage in your life, it’s important to wear the correct bra size to embrace the changes in your bust.


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