Your breasts can change. One day they can be plump and perky, and the next day, not so much. The main cause is the ebb and flow of hormones throughout your monthly cycle. So, the shape and size of your breasts will mirror your hormonal changes throughout the month.
“Hormones affect many aspects of our breasts—it’s what inspired their development in the first place,” says Rebecca Booth, MD, a gynecologist and hormonal expert in Louisville, KY, and author of The Venus Week. Additionally, long past puberty, hormonal changes continue to drive changes in the breasts. “Most women will notice differences across their monthly cycle, and it’s completely normal,” Dr. Booth adds.
Today, we would like to present you with 5 ways your breasts change throughout the month. Let’s check them out!
#1. They’re lumpy
When your period starts, the texture of your breasts may suddenly feel uneven and nodular. “During menstruation, breasts may feel lumpier as milk glands enlarge in preparation for a possible pregnancy,” says Sara Gottfried, MD, a gynecologist in Berkeley, CA and author of The Hormone Cure. When your body realizes that you are not pregnant, your breasts will smooth out, she adds.
#2. They’re softer and smaller
By the end of menstruation, the breasts are significantly reduced in size. “Breasts are at their lowest volume at this time because estrogen and progesterone are at their lowest,” Dr. Gottfried says. And this is your real breast size because you are not being pumped up with hormones. “They also tend to soften up towards the end of bleeding,” Dr. Gottfried says.
#3. They’re perky
On the 12th day (when you are closer to ovulation), estrogen starts to rise. Due to this, your breasts look extra buoyant. This is because estrogen improves skin elasticity.
#4. They’re full and firm
The luteal phase occurs after the end of ovulation, and you can become the owner of the largest cup size. “Progesterone is really peaking, so this is a time associated with the largest breast size and density,” Dr. Booth says. Your breasts may look swollen or slightly veiny, and feel tender.
#5. They’re lopsided
When estrogen is low during your premenstrual week, breasts become less symmetrical. Your left breast may look a little bent. Do not be scared, because when your period arrives, your breasts will even out.
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