Can low thyroid prevent pregnancy?
Normal thyroid function is important for normal ovulation. Doctors know enough about this connection to screen for thyroid problems with Thyroid Stimulating Hormone (TSH) if a woman is having trouble getting pregnant. Being treated for hypothyroidism increases the likelihood of becoming pregnant, both naturally and with assistance, as with in vitro fertilization. Treatment also cuts down on problems during pregnancy, including miscarriage and preterm birth. (Pregnancy can also cause thyroid problems- read more here)
However, I believe that the usual screening methods for hypothyroidism, such as the Thyroid Stimulating Hormone (TSH) test, miss many women who have low