I'm in exactly the same situation as you. My first baby was born at 33 weeks, and I didn't put on too much excess weight, so it all fell off within a few weeks. Now I realise how lucky I was... This pregnancy, I ate crap and went full term (overdue actually). My little boy is 7 weeks old now and I still have 10kgs to lose to get my old body back. I'm used to being quite thin, and now I have a jelly belly, my hips have spread and my butt and thighs are huge (for me).

In the last week I have started calorie counting... I'm basically just cutting out the chocolate bars (daily) and Maccas I was eating (3 times a week), and I've already lost a kilo!

I just think with a bit of work and time, it'll come off. I think the hips might be here to stay though