Mazal tov on your recent marriage!
We are sorry to hear of your difficulty conceiving and the special challenge that your thyroid condition presents.
You should begin by speaking with your endocrinologist to make sure that your medication is working and that your thyroid is functioning well. At that point, given your special circumstances, we recommend consulting with a reproductive endocrinologist. You can ask your regular endocrinologist, family doctor, or gynecologist for a referral.
You may also find it helpful to schedule a consultation with a Yoetzet Halacha Fertility Counselor. (This is a free service. Details here.)
Pleae feel free to get back to us with any further questions.
We wish you much hatzlacha!
Updated August 2020.