Hi, I Am 31 Year Old Married Woman. I Have

Hi, I am 31 year old married woman. I have thyroid problem, my recent result is 9 TSH. I have been taking 50mg thyroid medicine, however,my TSH is constantly on higher levels. My periods are very irregular. It sometimes skip a month,and also getting very less periods.
Can you please suggest what should I do as I have been trying to conceive for almost 5months.