Weight

Needing to vent, I have had 2 miscarriages. It now has been 8 month since my last one and we have been trying to conceive again but I am getting worried it's not going to happen! 😢 I did put on weight from both pregnancies and I'm starting to think it's my weight, but I don't know because even when I did get pregnant I was a little heavier (I always have been) is the weight what's causing me not to get pregnant? Or am I just being too anxious?