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Fitting Room


NURSING BRA SIZE

To find your proper nursing bra size, take three measurements. This will give you the most accurate fit. You should buy a nursing bra if you are pregnant and still wearing an under wire or any time your current bra is too small. The best time to buy a nursing bra to fit after the baby is born is within the last 3-4 weeks of pregnancy. If you do not have a tape measure, you can use this printable tape measure.

nursing bra size

Step 1. First, measure around your body under your armpits (A). Make sure you put your elbows at your side and relax your shoulders. Round up to the next even number. This is your band size; ie. 36, 38, etc. (A= Band Size on chart below)

nursing bra cup size

Step 2. Measure the fullness of your bust (B). Make sure sure you are not wearing a padded bra. If you are sagging, adjust the straps before you measure to get the most accurate results.

nursing bra band size

Step 3. Finally, measure around your rib cage just under your bust (C). Now subtract the rib measurement (C) from the fullness of the bust (B). The difference is your cup size. Fullest Part of the Bust(B) - Rib Size(C) = Cup Size as determined by the chart below. Call us at 800-216-8151 with any questions!

nursing bra fitting

A = Band Size

B - C = Cup Size

US Sizing Chart

8" = G

1"=A

9" = H

1 1/2" - 2" = B

10" = I

3" - 4" = C

11" = J

5" = D

12" = K

6" = DD/E

13" = L

7" = DDD/F

14" = M

Alternate Size Equivalents

UK Sizing Chart

Shop for Nursing Bras by Size

NIGHT & DAY NURSING BRA SIZES STYLE # 2012

Order size:

Band Size

Cup Size

S

32-34

A-D

M

36-38

B-DD

L

38-40

B-DD

XL

40-42

B-DD

2X

44-46

C-DD

3X

48-50

C-DD

For cup sizes F G or H, choose Comfy & Curvy Bra Style 2013. If you are larger than an H, just choose the next size up.   

Nursing Bra Size Equivalents:

You've taken your measurements, but the size just doesn't seem to add up? Some women carry more of their size in their back or other areas which may make your cup size somewhat skewed. For your convenience, we have given you some examples to help you determine other sizes that may fit you better in the band, but which are the equivalent cup size.

Calculated Bra Size Smaller Band -

Equivalent Cup Size

Larger Band -

Equivalent Cup Size

34B 32C 36A
36D 34DD(E) 38C
38C 36D 40B
40DD(E) 38DDD(F) 42D
42F 40G 44DD(E)

As you can see from the examples above, when you go smaller in the band, you need to go up in the cup size. If you go larger in the band, you need to go down in the cup size. You should only do this if the calculated size does not fit. If you change to a larger band and don't need to, the back will ride up because it is too loose. Do not buy a D just because the manufacturer does not make a larger cup. Look for nursing bra manufacturers that have a wider range of cup sizes as necessary. Nursing bra manufacturers that make an F cup are Bravado and Amamante and Fancee Free and Elila manufacture bras in sizes up to J K and L cup. If you need further assistance in ordering a bra, please give us a call at 800-216-8151.

UK SIZING EQUIVALENT CHART

Size Equivalents in Inches US/UK 1" 2" 3" 4" 5" 6" 7" 8" 9" 10" 11" 12" 13" 14"
Standard US Sizing A B C D DD DDD G H





Full Figure US Sizing (Elila, etc.)



D DD/E F G H I J K L M
UK Sizing (Royce Lingerie) A B C D DD E F FF G GG H HH J JJ

NURSINGWEAR SIZES

Measure in inches around the fullest part of your bust, waist, and hips. This is a general guideline which you can follow on most of our clothing unless the garment description gives sizing details.

Size

Bust

Waist

Hips

XS (6)

34

25

36

S (8-10)

35-36

26-27

37-38

M(10-12)

37-38.5

28-29.5

39-40.5

L(14-16)

40-41.5

30-32.5

41-42.5

XL(18)

43.5-45.5

34.5-36.5

43.5-45.5

1X(20)

46-47

38.5-39.5

46

2X(22)

48

40-42

48-50

3X(24)

50-52

44-46

52-53

Need Help? Call our fitting specialists at 800-216-8151 M-F 9-3 CST!

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