also: マタニティーブラ
noun
maternity bra; nursing bra
A bra designed for pregnancy and breastfeeding, often with features like wider straps and easy-open cups.
妊娠中はマタニティブラを使うと楽です。
Using a maternity bra during pregnancy is comfortable.
授乳しやすいマタニティブラを買いました。
I bought a nursing bra that makes breastfeeding easier.