min read
November 4, 2023

Understanding Perimenopause: What is it and when does it occur? 

Let's talk about one of the most pivotal staged for hormonal change.

Lanby Team
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What is Perimenopause?

As women age, they undergo various stages of hormonal changes, and one of the pivotal phases in this journey is perimenopause. Perimenopause is a transitional phase that precedes menopause, during which a woman's body undergoes significant hormonal shifts. It is a natural part of the aging process and usually spans several years. While menopause is defined by a complete cessation of menstrual periods for 12 consecutive months, perimenopause is characterized by irregular menstrual cycles, fluctuating hormone levels, and a range of physical and emotional changes.

When Does Perimenopause Occur?

Perimenopause typically starts in a woman's 40s, but it can begin in the late 30s for some individuals. The duration of perimenopause can vary widely, lasting anywhere from a few months to a decade. On average, women experience perimenopause for about four years before reaching menopause.

Common Signs and Symptoms

Irregular menstrual cycles: One of the hallmark signs of perimenopause is irregularity in menstrual periods. This can include changes in flow, duration, and timing.

Hot flashes and night sweats: Fluctuating hormone levels can lead to sudden, intense feelings of heat, often accompanied by sweating. These can occur during the day (hot flashes) or at night (night sweats), potentially disrupting sleep.

Mood swings and emotional changes: Hormonal fluctuations can impact mood regulation, leading to feelings of irritability, anxiety, or sadness.

Vaginal dryness and discomfort: Reduced estrogen levels can lead to vaginal dryness, which may result in discomfort or pain during intercourse.

Sleep disturbances: Changes in hormone levels and the occurrence of hot flashes or night sweats can disrupt sleep patterns, leading to fatigue and irritability.

Changes in libido: Some women may experience a decrease in sexual desire or changes in sexual response.

Bone density changes: Reduced estrogen levels can lead to a decrease in bone density, potentially increasing the risk of osteoporosis.

Weight gain and changes in body composition: Hormonal shifts during this time can impact metabolism and body fat distribution.

Urinary symptoms: Changes in estrogen levels can affect the urinary tract, potentially leading to increased frequency or urgency of urination.


Perimenopause is a natural and important phase in a woman's life, signaling the approach of menopause. While it can bring about a range of physical and emotional changes, it's essential to remember that perimenopause is a normal part of the aging process. Seeking support from healthcare providers and adopting healthy lifestyle practices can help women navigate this transition with confidence and grace. Every woman's experience with perimenopause is unique, and embracing this phase with self-compassion and understanding is key to a smoother journey.

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The Lanby Editorial Team