wow your daughter had a baby and a month later her stomach was flat? That's amazing considering I had a baby and it took about 6 mo to get my stomach back to flat. And it takes a min of 6 weeks for your uterus to go back to being normal size so the pooch could be her uterus not yet back to normal size. Is she breastfeeding, because if she isn't it takes longer for the uterus to go back to normal. Also, I was put on Errin birthcontrol, not Erris but the doc told me it could be 8 to 12 months before I got my period back. I didn't get a period until my son turned a year old and they still aren't normal like they were before I got pregnant. However, if she's thinking she's pregnant take an at home test, that will help calm nerves.