What could untreated hypothyroidism in pregnancy potentially increase the risk for?

Untreated hypothyroidism in pregnancy is associated with several adverse outcomes, with spontaneous abortion and preterm birth being particularly significant. Maternal hypothyroidism can lead to inadequate levels of thyroid hormones, which are crucial for normal fetal development, especially during the first trimester when fetal organs are developing rapidly. Insufficient thyroid hormone levels can impair placental function and lead to complications such as placental abruption and insufficient blood flow to the developing fetus, which can translate into increased risks of miscarriage (spontaneous abortion) and earlier-than-expected deliveries (preterm birth).

While untreated hypothyroidism can have an impact on other conditions in pregnancy, the direct connection between thyroid hormone deficiencies and the increased risks of spontaneous abortion and preterm birth underscores the importance of appropriate screening and treatment for hypothyroidism during pregnancy. The management of thyroid levels in expecting mothers is crucial to improve pregnancy outcomes and ensure both maternal and fetal health.