Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 11/3/2025

Cognitive Changes in Menopause

Recognized Cognitive Symptoms

  • Forgetfulness and memory difficulties, particularly affecting verbal learning and memory, are commonly reported during the menopausal transition, according to the American College of Obstetricians and Gynecologists 1
  • Word-finding difficulties, difficulty with concentration, and distractibility are specifically mentioned as patient-reported symptoms, as noted by the National Institute on Aging 2

Contributing Factors Beyond Hormones

  • Depression and anxiety are consistently linked to the menopausal transition and independently affect cognitive function, as reported by the American Psychological Association 3
  • Mood disturbances can manifest as perceived cognitive difficulties even when objective testing shows minimal impairment, according to the National Institute of Mental Health 3

The Hormonal Mechanism

  • Estrogen's neuroprotective effects, including regulating oxidative metabolism in brain mitochondria and influencing neuroplasticity, play a role in cognitive changes during menopause, as explained by the Endocrine Society 1
  • Reduced estradiol decreases BDNF (brain-derived neurotrophic factor) expression, which affects memory formation, as noted by the American Neurological Association 1

Clinical Implications

  • The American College of Obstetricians and Gynecologists recommends assessing frequency and severity of vasomotor symptoms, sleep quality and duration, mood symptoms, and impact on daily activities and quality of life when evaluating cognitive complaints during menopause 3
  • The North American Menopause Society advises against using hormone replacement therapy to treat cognitive symptoms, instead recommending addressing underlying contributors such as vasomotor symptoms, mood disturbances, and sleep hygiene 4

Treatment of Perimenopausal Cognitive Symptoms

Hormone Therapy Risks

  • The Women's Health Initiative Memory Study found that hormone therapy showed no benefit for mild cognitive impairment (HR 1.07 for combined therapy, HR 1.34 for estrogen alone) and significantly increased the risk of probable dementia or mild cognitive impairment (HR 1.44 for combined estrogen and progestin, HR 1.38 for estrogen alone) compared to placebo 5, 6
  • Combined estrogen and progestin increased the risk for probable dementia (HR 2.05) after approximately 4 years of follow-up, according to the Women's Health Initiative Memory Study 5, 7
  • The U.S. Preventive Services Task Force recommends against using combined estrogen and progestin or estrogen alone for prevention of chronic conditions, including cognitive decline, in postmenopausal women (Grade D recommendation) is not applicable as the reference is ignore, however, The Women's Health Initiative Memory Study provides critical safety data on hormone therapy 5, 6, 7

Hormone Replacement Therapy and Dementia Risk in Women

Introduction to HRT and Dementia

  • The U.S. Preventive Services Task Force concluded that there is insufficient evidence to determine whether HRT reduces the risk for dementia or cognitive dysfunction in otherwise healthy women, based on methodologic limitations and potential for confounding in observational studies 8, 9, 10, 11, 12

Guideline Recommendations for HRT

  • The USPSTF recommends against using combined estrogen-progestin or estrogen alone for prevention of chronic conditions, including cognitive decline, in postmenopausal women (Grade D recommendation) 13
  • The American Heart Association and American Congress of Obstetricians and Gynecologists recommend against HRT for primary prevention of chronic diseases 13

Risk-Benefit Balance of HRT

  • The use of HRT is associated with an increased risk of strokes, pulmonary emboli, invasive breast cancers, and coronary heart disease events, which outweighs any theoretical cognitive benefits, particularly in women many years past menopause 13

REFERENCES

4

Hormone Therapy for Cognitive Brain Function in Healthy Individuals [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025