Postmenopause Phase: Symptoms and Treatment

What Is the Postmenopause Phase?

The postmenopause phase refers to the stage of life that follows the menopause – the point at which a woman has her final menstrual period. Clinically, a woman is considered postmenopausal once she has gone 12 consecutive months without a menstrual period. The postmenopause phase lasts for the remainder of a woman's life. In many countries, the average age at menopause is around 51 years, meaning women may spend several decades in the postmenopausal stage.

During this phase, the ovaries produce very little of the female sex hormones estrogen and progesterone. This hormonal decline is responsible for many of the characteristic symptoms and health changes associated with the postmenopause phase.

Causes and Hormonal Changes

The postmenopause phase is a natural biological transition in every woman's life. It is not caused by a disease, but by a natural physiological process:

• The ovarian follicle reserve becomes depleted with age.
• Estrogen production drops significantly, affecting the hypothalamic-pituitary axis – the hormonal control center in the brain.
• Levels of follicle-stimulating hormone (FSH) rise sharply as the brain attempts to stimulate ovaries that no longer respond.
• Early or premature menopause – and therefore an earlier onset of postmenopause – can be triggered by surgical removal of the ovaries (oophorectomy), chemotherapy, radiation therapy, or genetic factors.

Symptoms of Postmenopause

Many symptoms that appeared during the perimenopause (the transitional period leading up to menopause) may ease in the early postmenopause. However, the following symptoms and long-term health consequences may still occur:

Short-Term Symptoms

• Hot flashes and night sweats (may persist for years)
• Sleep disturbances and insomnia
• Mood swings, irritability, and low mood
• Difficulty concentrating and memory changes
• Decreased libido

Urogenital Changes

• Vaginal dryness and thinning of the mucous membranes (genitourinary syndrome of menopause, GSM)
• Discomfort during sexual intercourse (dyspareunia)
• Increased urinary urgency and higher susceptibility to urinary tract infections

Long-Term Health Effects

• Osteoporosis: The decline in estrogen accelerates bone loss and increases the risk of fractures.
• Cardiovascular disease: The risk of atherosclerosis, heart attack, and stroke increases after menopause.
• Unfavorable changes in lipid profiles (elevated LDL cholesterol)
• Weight gain and redistribution of body fat (more abdominal fat)
• Loss of muscle mass (sarcopenia)

Diagnosis

The diagnosis of postmenopause is primarily clinical, based on a woman's medical history:

• Absence of menstruation for at least 12 consecutive months
• Presence of typical symptoms
• Blood tests: Elevated FSH levels (above 25–30 IU/L) and low estradiol levels can confirm the diagnosis in uncertain cases.
• In younger women or atypical presentations, additional tests may be required to rule out other causes of amenorrhea.

Treatment and Management

The postmenopause phase does not necessarily require medical treatment, as it is a natural process. However, for women with significant symptoms or elevated long-term health risks, several treatment options are available:

Hormone Replacement Therapy (HRT)

Hormone replacement therapy (HRT) – also called menopausal hormone therapy (MHT) – is considered the most effective treatment for relieving menopausal symptoms. It is prescribed on an individual basis, weighing the benefits against potential risks (such as a slightly increased risk of breast cancer with certain combinations). Women should always discuss HRT with their healthcare provider.

Non-Hormonal Treatment Options

• Local (vaginal) estrogen preparations (creams, suppositories) for urogenital symptoms
• Selective serotonin reuptake inhibitors (SSRIs) for hot flashes and mood symptoms
• Phytotherapeutic agents (e.g., black cohosh extract) – evidence of effectiveness varies

Lifestyle Measures

• Regular physical activity (especially strength and aerobic training) to protect against osteoporosis and cardiovascular disease
• A diet rich in calcium and vitamin D
• Avoiding smoking and excessive alcohol consumption
• Regular preventive health check-ups (bone density scans, mammography, blood pressure monitoring)

Preventive Care and Long-Term Health

Women in the postmenopause phase should maintain regular medical check-ups. These include bone density measurement (dual-energy X-ray absorptiometry, DXA) for early detection of osteoporosis, cardiovascular risk screening, and routine gynecological cancer screenings. A healthy lifestyle can significantly reduce the risk of many long-term postmenopausal conditions.

References

1. Stuenkel CA et al. – Treatment of Symptoms of the Menopause: An Endocrine Society Clinical Practice Guideline. Journal of Clinical Endocrinology and Metabolism, 2015; 100(11): 3975–4011.
2. World Health Organization (WHO) – Research on the Menopause in the 1990s. WHO Technical Report Series No. 866. Geneva: WHO, 1996.
3. The NAMS 2017 Hormone Therapy Position Statement Advisory Panel – The 2017 hormone therapy position statement of the North American Menopause Society (NAMS). Menopause, 2017; 24(7): 728–753.