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Mounds of fascinating, bizarre, and pretty neat factoids about your girls

Because you should really know more about your breast, so let’s get to grips with some facts…

Women Are Buying Bigger Bras

The average woman says she now wears a 34DD-sized bra, according to data from lingerie retailer Intimacy. That’s up from a 34B 20 years ago! (To put that into perspective, that’s the same band measurement, but about 8cms bigger around the fullest part of the chest.)

You’re Still Probably Wearing the Wrong Size

About 85 percent of women are, according to Intimacy data. So grab some measuring tape to figure out your correct size, or get a bra fitting with an expert.

READ MORE: This Woman Documented Her Double Mastectomy In The Most Incredible Way

Most Women Aren’t Happy with Their Breasts

Seventy percent are down on their girls, according to research published in the International Journal of Sexual Health. Of course, most men had no complaints.

Breast Action Turns You On

Eighty-two percent of women say boob-play gets them aroused (or more aroused than when the girls don’t get any action), according to a 2006 study.

READ MORE: 3 Random Things That Can Totally Mess With Your Mammogram Results

It’s Normal for Them to Hurt While Exercising

In fact, almost one in three marathon runners experiences breast pain, according to a recent study.

So get this: When you run, the twins do, too — in a sort of figure-eight shape. And they can travel 20 centimetres according to research out of the UK. All the more reason to wear a supportive sports bra.

Looking for more info on your breasts? Check out these weird (and wonderful) facts about your nipples.