Obese and trying!

Sarah • 27. Married. My son was born 2/22/16 and his little sister 7/5/17
I am 5'6 and 264 lbs. my weight has ALWAYS controlled my life. Now that's husband and I want to get pregnant, I have decided not to yet again let my weight hold me back. I plan on eating well and exercising throughouty pregnancy. Looking for some
Women who have been through it. Any complications? Thanks:)