Moms close to 50 or over?

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I'll be 49 in a couple of months and desperately need to lose weight. I lost 25 lbs last year on MFP and gained it all back through the winter months. Now I can't seem to get the weight to budge at all no matter how much I cut back on food and eat better. I get 1200 per day. I'm 4'11 and 150 lbs. The biggest I've ever been except for when I was pregnant. :( I think some of it could be my age and nearing that time in my life as a woman but I also don't want to use that as an excuse either. Looking for support from other 50ish or older women! Feel free to send me a friend request.