Hypothyroidism and Hypothyroxinemia in Pregnancy: An Overview in the Time of Coronavirus Disease 2019

In normal pregnancy, the maternal thyroid gland undergoes alterations to maintain necessary levels of hormones (THs) in each gestational period. However, various factors may reduce TH levels, potentially impacting onset and development pregnancy. Such cases dysfunction are divided into overt (clinical) hypothyroidism, subclinical or isolated hypothyroxinemia, depending on severity deficiency. The reported incidence hypothyroidism p