Thyroid health may not be the first thing that comes to mind when you think about pregnancy, but thyroid hormones play an important role in both maternal health and fetal development, especially during those early weeks when baby is relying on mom's thyroid hormones.

This week, Blyss and Stu take a deep dive into thyroid disease in pregnancy. Stu breaks down the basics of how the thyroid works, the difference between hypothyroidism and hyperthyroidism, Hashimoto's versus Graves' disease, and what TSH, T3, T4, and thyroid antibodies can actually tell us. They look at the potential pregnancy risks associated with overt thyroid disease, why subclinical disease is a very different conversation, and why pregnancy itself can change thyroid lab values.

Together they answer the question, should every pregnant woman have her thyroid screened? And discuss how testing itself can sometimes set off an unnecessary cascade of referrals, surveillance, and intervention.

This one gets into the weeds, but it's an episode worth saving as a resource for pregnant families, birth workers, and anyone navigating thyroid disease during the childbearing years.