[Impact of thyroid function on the result of intrauterine insemination among fertile women].

This retrospective study compares the impact of TSH level on the result of intrauterine insemination (IUI) with donor sperm in fertile women. There is no difference in women characteristics and their fertility. Despite the fact that the thyroid hormones influence fertility, this study shows that TSH before IUI doesn't influence pregnancy and live birth rates. However, thyroid hormones are important for the foetal brain development and pregnancy. Therefore, it is important to evaluate the thyroid function and prescribe a treatment if needed, (if TSH superior to 2.5 mUI/l) as the pregnancy is a stressful factor for thyroid and an infraclinical hypothyroidism can evolve into a clinical hypothyroidism in pregnant women.