fit-and-sizing · · 2 min read

Same Size Since College? Why Your Bra Size Changes

SHAPE Bae-Sic Bra on model, front view in beige

The short answer: Weight, hormones, pregnancy and even the week of the month change your bra size. If you have not been measured since college, you are wearing a size that no longer fits. A five-minute fitting tells you where you are today.

'7 bochor dhore same size porchi' - one of our fit advisors heard this from a woman who had changed her phone, her hairstyle and her job, but not her bra size. Your body is not the same as it was at 18. That is not a problem; it is just a fact.

Why your size changes

What changes What happens to size
Weight gain or loss Band and cup both shift
Hormonal cycle Cup can change by half a size in a single month
Pregnancy and postpartum Band expands, cup changes, tissue shifts
Age and gravity Tissue softens, cup shape changes even if volume stays
Medication Some medications cause water retention or tissue changes

How often to re-measure

We suggest every six to twelve months, or whenever a bra that used to fit starts pinching, gapping, or riding up. A fitting takes five minutes and costs nothing.

The stretch solution

Because your body changes, SHAPE builds with nylon-spandex stretch fabric that moves with you through the month. The Seamless Air Bra (M to 3XL) is light enough to adapt to daily fluctuations without compressing.

Questions women ask us

My bra size changed after I had a baby. Will it go back?

Sometimes partly, sometimes not. Tissue, ribcage and weight all shift. Get measured now for the body you have now, and again in six months.

Is it normal for my size to change during my period?

Yes. Hormonal changes cause water retention in breast tissue. Many women go up half a cup in the week before their period. A stretch-fabric bra handles this without needing a second size.

I have been wearing the same size for 10 years. Should I still get measured?

Yes. Your body changes even when you do not notice. A fitting takes five minutes and there is no obligation to buy anything.


Free, private fittings. Walk into any of our 7 Dhaka stores and a fit advisor will measure you, help you try on styles in private, and answer every question. No appointment, no pressure, no purchase required. Or message us on WhatsApp +880 1784 163199. Find a store.

Part of The Fitting Room by SHAPE.

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