Hi I'm 27 Years Old I Am A Mother To

Hi I'm 27 years old I am a mother to 2 little girls. I have had 2 c-sections and am really having a hard time losing weight. I weigh 217 and I am 5"1" I am obese for my size and I hate that I can't really play with my girls because I get so out of breath. I do not want to be like this I have lost a little weight I weighed 230 and went to 203 but I have gone back to 217 I can't keep it off. I lose a lot and then some comes right back what can I do thank you