Blog — estrogen therapy

A comprehensive guide to understanding hormone health—from adrenal function and thyroid balance to menopause, andropause, metabolism, and reproductive wellness. Learn how hormonal imbalances develop, how they affect energy, mood, weight, and overall wellbeing, and how modern testing methods like saliva, blood spot, and bioidentical therapies can support personalised health and long-term vitality.

Explore the vital role of estrogen in perimenopause, its impact on mood, sleep, heart and bone health, and the latest research on hormone therapy options.

By Dr. Sherry LaBeck of ZRT Lab Perimenopause is the transition between a woman's reproductive years and menopause, characterized by a decline in estrogen levels, which can lead to physical and emotional symptoms. Understanding the role of estrogen during this phase is essential for managing symptoms and improving the quality of life for women going through this transition. What is Perimenopause? Perimenopause typically begins in a woman's 40s, though some may experience symptoms as early as their mid-30s, which is known as premature menopause. During this phase, the ovaries produce less estrogen until menstruation stops, marking the onset of menopause....