I have this fantastic little issue being pregnant and that is that my boobs are HUGE. The literally are busting out of every corner of my bra and not providing very much support AT ALL. They have been feeling snug for quite a few weeks now, and I even attempted to go bra shopping but I was so irritated because I didn’t even know where to start. How much bigger are they going to get, how fast is it going to happen? I’m not going to invest in an expensive bra if they are going to keep growing and I’m only going to wear it for say 6-8 months.

However, I’m literally busting out of the seams, so I have to do something. So tonight I’m going to re-measure myself. Here’s how:,901,30.html

STEP 1: Measure for band size:

Keeping the measuring tape parallel with the ground, measure around your bra directly under your bust after expelling all air from your lungs – you want this measurement to be as small as possible. Round all fractional measurements to the nearest whole number.

After a 38 band size, the band size should be the closest higher even number to your actual measurement So, 41.5″ is a 42 band. A 41″ measurement is a 42 band.

STEP 2: Measure for cup size:

Standing straight, with your arms at your side, measure at the fullest part of your bust (while wearing a non-padded bra) making sure the measuring tape is parallel with the ground and not binding. Round all fractional measurements to the nearest whole number.


STEP 3: *Calculate your bra size:

Subtract your band measurement (step 1) from your cup measurement (step 2). Generally, for each inch in difference, the cup goes up by one size. See the cup size conversion chart below.

Step 1: 34″ under measurement = 36″ band size
Step 2: 39″ over measurement
Step 3: 39″ – 36″ = 3″ or C Cup Size
Your Size is probably a 36C

The cup size calculation starts falling apart at 4 inches larger than your band size, and if you have droopy or pendulous breasts, your measurement will not be accurate.

If The Difference Is: Your Standard Cup Size Is: Your *Universal Cup Size™ Is:
0″ to 1/2″ (1.3cm) AA
1/2″- 1″ (2.6 cm) A
2″ (5.1 cm) B
3″ (7.6 cm) C
3″ (7.6 cm) C
4″ (10.2 cm) D D1
5″ (12.7 cm) DD * or E * D2
6″ (15.2 cm) DDD * or F * D3
7″ (17.8 cm) G * D4
8″ (20.3 cm) H * D5
9″ (22.9 cm) I * D6
10″ (25.4 cm) J * D7
Universal Cup Sizing™ * Cup sizes larger than a D are called different letters by different brands (a DDD cup size in one brand can be called an E or F in other brands). So know your UCS™ bra size and you can find your correct fit in any brand at HerRoom. Learn how to find your UCS™ bra size™

*Important Note: this measuring system tends to become less accurate as the cup sizes go above a D. Additionally, some manufacturers name larger cup sizes differently. See “The Proper Bra Measuring Techniques for Plus-Size Women”.


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