plus size and getting discouraged

We are only on month 4 of ttc. It seems like it's never going to happen for us because I'm plus size. My OB rudely stated to me when I went in for my routine PAP/to talk about family planning that I needed to lose at least 30 pounds before I should even consider becoming pregnant. I work in the operating room which is extremely stressful and find it hard to lose the weight right now 😞. I just want to start a family so bad. In the meantime I'm trying to watch what I eat better.