I have had two miscarriages in a row and went through several tests afterward. In my recent report, my TSH level came back as 5.5. We are planning to try for pregnancy again, as it has been 6 months since my last miscarriage. Should I start taking thyroid medication to be on the safer side since my TSH is slightly higher than normal? Does a TSH of 5.5 affect ovulation and fertility? If I start the medicine, will it be unnecessary, or is it okay to take a low dose thyroid medicine?

Dr Ezhilarasan Ml

General Practitioner

• MBBS
• 6+ Yrs

Consult Now

A TSH of 5.5 is slightly high and may affect ovulation and fertility. For women planning pregnancy, TSH should ideally be below 2.5 for better outcomes. Starting low dose thyroid medication (Thyronorm 25 to 50 mcg) can help regulate levels and support conception and pregnancy. It is not unnecessary, many women need mild treatment to optimise thyroid levels before conception. You can book a Thyroid Profile (TSH, T3, T4) in 6 weeks after starting medication to monitor levels and adjust the dose if needed.

Answered 7 days ago