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Thyroid Wellness

Key thyroid labs to know, what they mean, and how to get them checked — even without a doctor's visit.

TSH

Thyroid-stimulating hormone — the primary screening marker for thyroid function.

TPO Antibodies

Thyroid peroxidase antibodies — elevated levels indicate Hashimoto's thyroiditis, an autoimmune condition.

Free T4

The inactive thyroid hormone — shows how much is available before conversion.

Free T3

The active form of thyroid hormone — directly affects energy, mood, and metabolism.

Key markers for thyroid dysfunction and Hashimoto's — ask your provider to include these in your postpartum labs.

You don't have to wait for your next appointment to get these checked. LabCorp OnDemand and Quest's QuestDirect both let you order these labs yourself, in most states, without needing a doctor's visit first. Results are typically available within a few business days, and you can share them with your provider for interpretation and next steps.

Thyroid Wellness | Best You Mom