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Top 5 tips to Get an Exact Size and Perfect Fit Maternity or Nursing Bra During Pregnancy or Breastfeeding

Maternity Fashion
Written by - Riya AggarwalLast updated: Dec 26, 2025
Top 5 tips to Get an Exact Size and Perfect Fit Maternity or Nursing Bra During Pregnancy or Breastfeeding
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Did you know that 80% of women wear the wrong bra size? 70% of women tend to wear bras that are too small for them whereas 10% of women wear bras that are too large for them.

Why do you require a new bra during pregnancy?

During pregnancy, a woman’s body goes through many changes and hormonal fluctuations. Your rib cage expands, you gain weight and the milk production in your mammary glands causes your breast to grow in size-all of which causes the size of your breasts to increase. You may notice that around the third month of pregnancy or during the second trimester, your regular bra becomes tight for you. This means that your breast size has increased and that you need to change the size of the bra you are currently wearing.

Wearing bras that are tight for you may block the milk ducts in your breasts and this could cause infection or mastitis in your breasts. Therefore, choosing the right maternity or nursing bra size is very important for pregnant women or new mothers because wearing the right maternity or nursing bra will help you fully optimize the design and features of the bra you have chosen. We recommend buying two sets of maternity bras at different stages during your pregnancy. You should purchase the first set of maternity or nursing bras during the 2nd trimester.

How to Calculate the Right Bra Size?

To calculate the right bra size for you during the second trimester, add one cup size and one back size to the pre-pregnancy bra size that you were wearing. For example, if your current bra size is 32C (where 32 is the back size and ‘C’ is the cup size), your new bra size would be 34D. Purchase your second set of maternity or nursing bras around the final weeks of your pregnancy. Your bra size may have increased once again because of the milk that has started to come into your breasts in order to prepare for the arrival of your baby. To calculate the right bra size during this time, add one cup size to your pregnancy bra size and subtract one back size from your pregnancy bra size. So, if your bra size after the 2nd trimester was 34D, your bra size during the final weeks of pregnancy would be 32DD.

5 Tips to Help Choose the Right Maternity Bra

However, before purchasing maternity or nursing bras based on these calculations, these 5 tips will help you choose the right-sized maternity or nursing bra that provides the perfect fit for you.

1. Ask for Help

When you go to buy maternity or nursing bras from lingerie stores, don’t feel shy to ask the staff over there to help you out with the right size and fit for you. The staff at lingeries stores is knowledgeable and well-trained and they will definitely help you make the right decision when it comes to purchasing maternity or nursing bras that are well-fitted and the right size for you. Take your time trying different styles of maternity bras and buy one style of maternity or nursing bras at a time. This will help your breasts become accustomed to the style and comfort offered by your chosen maternity bra or nursing bra style.

2. Adjustable Bra Straps

The bra straps of the maternity or nursing bra should be adjustable, feel secure and comfortable on your shoulders when worn. If the bra straps are digging into your shoulders or keep falling off your shoulders, then this maternity or nursing bra is not the right size for you.

3. Right Bra Cups

The right maternity or nursing bra will ensure that your breasts fit comfortably inside the cups. There should be no gaping between the cups, and your breasts should not spill out of the top or the sides of the bra. Make sure that when you are wearing the bra, your nipples face straight ahead and are not pressed downwards or pushed upwards by the bra cups.

4. Placement of the Centre Front of the Bra

The joint between the cups of the bra or the centre front of the bra should sit flat on your chest. If you feel that the centre front is digging into your breasts or it is elevated rather than sitting comfortably on top of the chest, you are wearing the wrong maternity or nursing bra size.

5. Comfortable Bra Band

The band of the bra is one of the most important things in a maternity or nursing bra since it is responsible for 80% of the support that the bra will provide to your breasts. The bra band should sit comfortably on your body and run straight all around the chest area. It should be flat against your skin. If the bra band is riding upwards, then you are wearing the wrong maternity or nursing bra size.

After deciding on the right maternity bra or nursing bra for yourself, it may sometimes be problematic to find your size in a style that you like. Mylo’s Maternity/Nursing Moulded Cup Spacer Bra comes in a myriad of sizes. You’ll definitely find your size in Mylo’s maternity spacer bra!

Made from a breathable, lightweight and multi-faceted 3D fabric, Mylo’s maternity spacer bra is comfortable to wear all day and all night long. The maternity bra ensures that maximum air is circulated to and from your breasts in order to prevent the creation of moisture in the chest area. The ventilation and temperature control provided by the maternity spacer bra helps to push out heat and vapour from the chest area.

The adjustable shoulder straps of the maternity or nursing spacer bra contain nursing clasps that can easily be opened and closed as and when required. When coupled with the full drop-down spacer fabric cups, Mylo’s maternity spacer bra allows you to easily feed your baby and even pump your milk when required. Non-padded and non-wired, the maternity spacer bra has moulded cups that give a seamless look to the bra. Not only does this contour the breast shape without adding any extra volume, but it also helps to absorb milk overflow. The side stitches on the maternity spacer bra also provide additional and some much-needed support to your growing breasts as well.

If there is one bra that has it all, it has to be Mylo’s Maternity/Nursing Moulded Spacer Cup Bra! So go ahead and grab this comfortable and functional maternity nursing bra today!

You may also like: Can A Padded Maternity Bra Prevent Breastmilk Leakage? (mylofamily.com)

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Riya Aggarwal
Riya Aggarwal

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This content is for informational purposes only and should not replace professional medical advice. Consult with a physician or other health care professional if you have any concerns or questions about your health. If you rely on the information provided here, you do so solely at your own risk.

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