Pregnant and thyroid problems

Hi ladies! I am very concerned about my situation. I am 5 weeks 6 days today and I would like to know many things but to start off I'm scared to miscarry because of my thyroid I have no gland and taking 137mcg how can I prevent from anything unwanted to happen if any of u ladies have or know someone that has thyroid problems I can use all the info I can get

Xoxo 💕