Wanting a baby and overweight

Sarah
Hello all, anyone here wanting another child, but overweight and scared? I just turned 30 my husband is 36 going on 37 and wants one like testerday. I am 274 lbs the weight I was at 9 months pregnant with our son almost two years ago. I am so scared to have a child now being so heavy, but I am worried we are getting to old and the deadline is coming.