What's My Size?

Whether you’re looking for an one of our beautiful basics, a feminine lace nursing bra, or a soft nursing sleep bra to make your life a little easier during late-night feeds, you’re sure to find the perfect style from our assortment of intimates. Your size may change daily — even hourly! — while pregnant or nursing. Belabumbum’s maternity and nursing foundations are designed with accommodating cups and sizing options to ensure that you get the support you need. Our nursing bras come complete with extra back settings, fully adjustable straps, and simple drop-down cups to ensure a secure and supportive fit through those first precious months with your newborn. We have all heard by now that lots of women aren't wearing the right bra size.  Want to know how to get the right sized Belabumbum bra for you?  Just grab a soft measuring tape, put on your most comfortable, non-padded bra, and follow these four easy steps.

Step 1: Measure your band size

Get your under bust measurement around your rib cage right under your breast tissue. Make sure the tape measure is, snug around the body, straight and parallel to the floor. If you get an odd number, round up to the next even number to get your band size.

Belabumbum nursing bra

Step 2: Measure your cup size

With your bra still on, measure with the tape around the body at the fullest part of your breasts. Make sure to keep the tape straight as possible. Meet the ends of the measuring tape together. _mg_2197

Step 3: Calculate your cup size

To do this, you'll subtract your band measurement (from Step 1)  from the cup measurement you just took (Step 2). The difference between the two numbers determines your cup size — see list, below. For example, if you measure a 34 inch band size, and a 36 inch cup size, the difference is 2: which would be a B cup.
  • 2 inches = B
  • 3 inches = C
  • 4 inches = D
  • 5 inches = DD/E (E in European sizing)
  • 6 inches = DDD/F (F in European sizing/E in UK sizing)

Step 4: Pick a bra!

Refer to the sizing range on each product page and pick the bra that is right for you!

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