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Related Concept Videos

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Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
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Related Experiment Video

Updated: Nov 22, 2025

An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause
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Hormone replacement therapy - where are we now?

R D Langer1, H N Hodis2, R A Lobo3

  • 1Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, CA, USA.

Climacteric : the Journal of the International Menopause Society
|January 6, 2021
PubMed
Summary
This summary is machine-generated.

Hormone replacement therapy (HRT) offers significant benefits for recently menopausal women, reducing mortality and disease risks. Early initiation is key to maximizing HRT

Keywords:
Hormone replacement therapybreast cancercoronary heart diseasegenitourinary syndrome of menopausemenopause managementosteoporosisvasomotor symptomswomen’s health

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Area of Science:

  • Reproductive Endocrinology
  • Cardiovascular Health
  • Gerontology

Background:

  • Hormone replacement therapy (HRT) was standard for menopause until 2002, when the Women's Health Initiative (WHI) trial raised safety concerns.
  • The WHI trial's findings were misinterpreted, particularly regarding HRT initiated near menopause versus a decade later.
  • Low HRT use persists due to distorted benefit/risk perceptions and inadequate clinician training.

Purpose of the Study:

  • To re-evaluate the benefit/risk profile of hormone replacement therapy (HRT) in menopause management.
  • To clarify the critical role of initiation timing in HRT's efficacy and safety.
  • To address the underutilization of HRT due to misperceptions and lack of clinician confidence.

Main Methods:

  • Analysis of data from the Women's Health Initiative (WHI) trial, focusing on HRT initiation timing.
  • Review of clinical practice patterns and patient outcomes following the 2002 WHI report.
  • Assessment of the benefits of estrogen therapy compared to alternative menopause treatments.

Main Results:

  • Age at HRT initiation is critical; starting within 10 years of menopause shows benefits.
  • HRT initiated near menopause reduces all-cause mortality, coronary disease, osteoporosis, and dementia risks.
  • Estrogen therapy offers unique multi-system benefits unmatched by most alternatives.

Conclusions:

  • The perception of HRT risk is often distorted, leading to unnecessary avoidance.
  • Early initiation of HRT (within 10 years of menopause) is associated with significant health benefits.
  • Improved clinician training and accurate risk communication are needed to optimize HRT use for women's health.