What was the study asking?
Does subclinical hypothyroidism affect ovarian reserve in women undergoing infertility treatment?
What did they find?
Subclinical hypothyroidism is associated with reduced ovarian reserve in women aged > 35 years of age.
What is the take-home message?
Proper assessment and interpretation of thyroid levels in women experiencing fertility difficulties and effectively managing subclinical hypothyroidism (not just overt hypothyroidism) in such individuals is an important part of fertility care.