---
title: "Estrogen and progesterone: differences and use"
description: Estrogen and progesterone have different roles in the body and in hormone therapy. Here is how they compare and when they are used together.
canonical: "https://www.vitalsvault.com/treatment-learn/estrogen-and-progesterone"
last-updated: 2026-08-22
---

# Estrogen and progesterone: differences and use

> Estrogen and progesterone have different roles in the body and in hormone therapy. Here is how they compare and when they are used together.

---

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