Everyone talks about estrogen, but what about progesterone? Why are they both important during perimenopause and menopause?

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Estrogen and progesterone are two key hormones that play important roles throughout a woman's life. During perimenopause and menopause, the levels of these hormones change significantly, which can affect both physical and emotional well-being.

Estrogen supports many important functions in the body, including regulating the menstrual cycle, maintaining bone strength, supporting heart health, helping keep the vagina and urinary tract healthy, supporting brain function, memory, and mood, and helping regulate body temperature.

As estrogen levels fluctuate and eventually decline, women may experience hot flashes, night sweats, brain fog, mood changes, vaginal dryness, joint aches, sleep disturbances, and decreased bone density over time.

Progesterone often begins to decline before estrogen during perimenopause. Its primary roles include preparing the uterus for pregnancy, helping regulate menstrual cycles, promoting restful sleep, supporting emotional balance, and working alongside estrogen to maintain hormonal balance.

Lower progesterone levels may contribute to difficulty sleeping, increased anxiety, mood swings, heavier or irregular menstrual periods, and feeling more emotionally sensitive.

Think of estrogen and progesterone as partners. During perimenopause, these hormones don't simply decrease—they fluctuate unpredictably. Those hormonal ups and downs are often responsible for many of the symptoms women experience.

After menopause, both hormones remain at much lower levels. Understanding these natural changes can help women recognize what they're experiencing and have informed conversations with their healthcare providers about treatment options.