Best maternity bras for the first trimester of pregnancy Your breasts can start to change as early as six weeks into your pregnancy. Your rib cage will also start to expand to make room for your baby.

I also appreciate that in addition to adjustable straps, it also features an adjustable rib band for a perfect fit. Years ago, a professional bra fitter informed me that the band is actually ...

So, each time you purchase a new bra, don’t forget to calculate your bra size. Measure your rib cage: Figure out your band and cup size by measuring around your rib cage just under your bust.