The other day I was walking through a thrift store and happened upon this dress. I realized with a tiny, NO-SEW alteration, I could quickly make it into a dress with nursing access.
My dress is a Downeast dress, but it is no longer available. If you want to hack a dress similar to this, look for a layered bodycon dress if you want a fitted look. If you want a looser fit, look for a dress with multiple layers. A dress with either one layer over the bust or a dress with multiple layers down the front will both work. Here are some dresses you could buy or make so you can create your own nursing-friendly dress.