Oh the memories have come back! Do you mean a teddy suit, Cubagirl?
I had two large babies close together and my abdominal muscles gave up the ghost while carrying my second baby. I was told there was nothing I or anyone else could do by my GP, when I was left with what was described as a mothers apron. ( I was asked when my baby was due, when he was 5 months old, to give you an idea what I'm talking about.) The GP said I would have to wear a teddy suit for support and comfort for the rest of my life. I sat there imagining this rather plump man dressed in a teddy suit! I found the teddy suit incredibly uncomfortable as I am long in body and it cut me up in the nether regions.
There is a happy ending to my story. I opted for sterilisation as I couldn't risk a further pregnancy under the circumstances. The surgeon was very concerned and referred me to a plastic surgeon and I had an abdominalplasty op for which I have been grateful for ever since.