Does HRT cause cancer?
The nuanced 2026 picture.
Breast
Small increase with combined HRT after 5 years; none with estrogen-only.
Endometrial
Estrogen alone raises risk — always add progesterone if uterus present.
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Related: FDA peptide review July 2026 briefing · Peptide therapy hub · Longevity service
Written and medically reviewed by the Kindr Health Clinical Team · Published 2026-06-19 · Last reviewed 2026-07-01. Compounded medications are prepared by FDA-registered 503A pharmacies and are not FDA-approved drug products.