11 Ways Your Breasts Can Change in Your 20s & 30s

Carolyn Steber, Bustle: July 5, 2016

Breasts can be both a blessing and a curse. And regardless of their size or shape, breasts can change in your 20s and 30s to the point where you may be left stunned, annoyed, or even worried.

1. Your Areolae May Get Darker

“It doesn’t necessarily happen to everyone, but … your areolae can start looking larger and darker than it did before, which is totally normal,” said Lane Moore. […]

2. They Will Probably Fluctuate In Size

Breasts can fluctuate in size for a seemingly unending list of reasons. […]

3. They Can Get Stretch Marks

As your breast size changes — due to weight gain, weight loss, or pregnancy — you may notice little lines starting to appear on your skin. These are stretch marks, and they can show up regardless of your age or skin color. […]

4. You May Find Lumps & Bumps

“Fibrocystic change, which is a very common condition characterized by benign lumps in one or both breasts, often emerges when women are in their 20s,” said Zahra Barnes, in an interview with Lisa Jacobs, M.D., on Women’s Health. You should get them checked out, but they are usually nothing to worry about. […]

5. They’ll Be Less Full After Pregnancy

Of course you can expect to gain weight during pregnancy, and this will mean fuller breasts. You also may have lactation and breastfeeding to contend with, which can also affect the size of your boobs. But once that’s all over and done with, you may notice that things don’t necessarily go back to normal. […]

6. Your Nipples May Protrude

Another post-pregnancy milestone to expect is larger nipples, as well as darker areolas. And these changes can end up being permanent. […]

7. They May Start To Droop

“Having a baby, breastfeeding, and racking up more birthdays all contribute to a loss of elasticity of collagen, the connective tissue under the skin,” said Esther Crain on Women’s Health. “Sag can also be a matter of genetics.” […]  

8. They May Be Worse For Wear After Exercise

Of course you should always get a healthy amount of exercise, regardless of how it affects your breasts. “Some experts say that the back-and-forth repetitive motions that happen when you run or do a similar workout can lead to a breakdown of breast collagen,” said Crain. It doesn’t mean you should quit the gym, but it may mean switching up your routine or wearing a better bra, if sagging is something you worry about. […]

9. Your Birth Control May Make Them Bigger

Effects may include weight gain, mood swings, and nausea, according to WebMD, as well as changes to your breasts. As Fowler said, “… it’s completely normal if you experience a little boost in breast size when you start birth control.” It’s all due to the increased estrogen, which can lead to fluid retention. […]

10. One May Be Larger Than The Other

Most breasts aren’t the same size. The causes are numerous, from misaligned posture, to hormones, to pregnancy. Other times, it may be due to those underlying fibroids, according to Arpana M. Naik, MD, on HealthyWomen.org. […]

11. Your Boobs Become Something To Look After

If you find something concerning, make an appointment with your gynecologist, ASAP. Mammograms aren’t really something you need to think about until you’re 50, according to Diana Zuckerman, Ph.D. and Anna E. Mazzucco, Ph.D. on StopCancerFund.org. If you have a family history of breast cancer, however, those scans may need to start earlier. Talk with your doctor about what’s right for you.

For the most part, being in your 20s and 30s means having healthy, happy boobs. But if any of the above changes occur, do bring it up with your doctor. It’s better to get things checked out, then to assume everything is a-OK.

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