The Benefits of Progesterone in Menopause: Your Secret Weapon for Symptoms

Estrogen hogs most of the attention when it comes to the hormonal haywire that occurs during the menopause transition. But progesterone quietly shapes many of the changes women experience in midlife—and supplemental progesterone can be a powerful tool for easing symptoms and protecting health in the long term.

During perimenopause, progesterone starts to decline alongside estrogen, contributing to symptoms such as disrupted sleep, hot flashes, mood swings, and heavier or irregular periods. ^{1 2} In menopause, when the ovaries shut down, progesterone typically dives below 0.5 ng/mL to near zero. ³

Women in menopause and perimenopause can take progesterone as part of hormone replacement therapy (HRT), typically in combination with estrogen. Supplementing the body’s natural production of progesterone offers a host of benefits in terms of symptom relief, including better sleep, fewer hot flashes, and improved emotional wellbeing.

About the Experts:

Natalie Kunsman, M.D., is board-certified in family medicine, antiaging, and regenerative medicine.

Meagan Marcuccilli, MD, MPH, MSCP, is a physician specializing in menopause care.

Tara Scott, M.D., is a triple board-certified OB-GYN, functional, and integrative medicine physician.

Jessica M. Yih, M.D., is a board-certified urologist and assistant professor at the University of California, Irvine.

Progesterone’s Role in HRT

When combined with estrogen as part of estrogen therapy, progesterone prevents the uterine lining from thickening too much (endometrial hyperplasia), which can raise the risk of abnormal cells and cancer. ^{4 5}

Beyond uterine protection, research suggests that taking progesterone may improve sleep, stabilize mood, and reduce hot flashes. Progesterone receptors are found throughout the body—including in the brain, bones, and nervous system.

When do women in perimenopause experience low progesterone symptoms?

Because progesterone tends to decline earlier than estrogen, some women might notice perimenopause symptoms similar to PMS—worsening mood, cramps, anxiety, and sleep problems—before hot flashes and other estrogen-related symptoms kick in. ^{6 7 8 9}

Can women without a uterus take progesterone?

Emerging evidence also points to progesterone benefits for women without a uterus ¹⁰. While the benefits of progesterone for this group are not yet recognized in official guidelines from the North American Menopause Society (NAMS) or the American College of Obstetricians and Gynecologists (ACOG), some clinicians prescribe progesterone post-hysterectomy to support sleep, cognition, mood, and bone density. ¹¹

“It’s a misconception that progesterone is only needed if you have a uterus,” says Jessica M. Yih, M.D., board-certified urologist and assistant professor at the University of California, Irvine. “In fact, you can be on progesterone alone if, for whatever reason, you do not want to be on estrogen but want to use progesterone to help with sleep dysregulation or vasomotor symptoms.”

Progesterone for Menopause Symptom Relief

Taking progesterone may help relieve perimenopause symptoms including irregular menstrual cycles, hot flashes and night sweats, sleep disturbance, low mood, and bone loss.

Regulates periods

Progesterone is often prescribed for heavy periods during the menopause transition, as it can help stabilize the uterine lining and get menstrual cycles back on track (including preventing the dreaded flash period).

Irregular menstrual cycles and heavy bleeding are common perimenopause symptoms. With less progesterone to keep the uterine lining in check, it gets thicker each month, so there’s more lining to shed. ¹²

“Progesterone may help with period regulation to a degree, including lessening the amount of bleeding,” says Natalie Kunsman, M.D., who is board-certified in family medicine, antiaging, and regenerative medicine. “It is trying to provide what the ovaries are not capable of and may ease the symptoms of excess estrogen.”

Reduces hot flashes and night sweats

Oral micronized progesterone can help reduce the frequency and intensity of hot flashes, even when taken without estrogen. ^{13 14} Progesterone receptors in the hypothalamus stabilize the body’s temperature system. Progesterone also might ease hot flashes by helping the body react less dramatically to fluctuating estrogen levels. ¹⁵

“Progesterone may help balance estrogen receptors as estrogen waxes and wanes,” Kunsman says.

Another way progesterone eases hot flashes and night sweats is through the hormone’s interaction with GABA, a calming neurotransmitter in the brain. By encouraging the activation of GABA receptors, progesterone further calms hot-flash triggering interactions in the hypothalamus. ¹⁶

“GABA is a neurotransmitter that’s kind of like taking a Valium,” she says. “It makes you chill out,” explains Tara Scott, M.D., a triple board-certified OB-GYN, functional, and integrative medicine physician.

Improves sleep

Progesterone has a calming, relaxing effect on the body that can help improve sleep. By supporting GABA receptors in the brain, progesterone tells the body to enter a state of restfulness. A 2011 study of eight postmenopausal women found that progesterone increased the duration of deep sleep by up to 50 percent. ¹⁷

“Progesterone in the brain is very quieting and calming and can balance the ‘yang’ of estrogen,” Kunsman says. “It settles agitation, anxiety, and restlessness.”

Stabilizes mood

Progesterone may help ease the mood swings that can occur during the menopause transition as levels of estrogen and progesterone fluctuate. As these hormones decrease, so does the feel-good neurotransmitter serotonin. ¹⁸

In one small study of perimenopausal women, participants with higher levels of progesterone reported feeling more resilience and life satisfaction and fewer depressive symptoms with less stress than participants with lower levels of progesterone. ¹⁹

A literature review found that postmenopausal women taking combination estrogen and micronized progesterone had a significant reduction in depression symptoms. However, the researchers also concluded that the treatment is likely to be more effective in younger women. ²⁰

Supports bone health

Progesterone plays a supportive but crucial role in maintaining strong bones during menopause. While estrogen primarily reduces bone breakdown ²¹, adding progesterone to estrogen therapy has been shown in randomized trials to enhance bone formation and improve spine bone density more than estrogen alone. ²² A meta-analysis of controlled trials found that estrogen-plus-progestin therapy resulted in an additional 0.68 percent gain in spinal bone mineral density per year, compared to estrogen-only regimens. ²³

Shoring up bone strength is a major concern during and after menopause, when osteoporosis risk rises, affecting half of women over age 50.²⁴ Together, estrogen and progesterone reinforce bones and help reduce fracture risk in postmenopausal women.^{25 26}

Taking Progesterone After Menopause

Women taking HRT after menopause should remain on their medication continuously to support endometrial health. Continuous therapy involves taking both estrogen and progesterone every day, typically at a lower dosage than when taking progesterone cyclically.

During perimenopause, women taking progesterone may start with cyclic therapy—taking estrogen every day but progesterone only 12 to 15 days in the last half of the cycle (the luteal phase). But there’s also the option to take progesterone continuously in perimenopause.

“I always just have my patients on continuous because I think it’s easier for people to remember to just take one pill a day instead of trying to remember how many days they’ve been taking their pills for the cycle,” Yih says.

Benefits of progesterone after menopause

Progesterone’s benefits for sleep, mood, bone health, and endometrial protection are similar during perimenopause and after menopause, with the exception of menstrual support (because after menopause, women don’t menstruate).

Types of Progesterone

Progestogens are the umbrella term for medications that mimic the natural female sex hormone progesterone in the body. Progesterone comes in a pill, an IUD, a cream, and a patch.

• Progesterone pill: Oral micronized progesterone, which is now the standard for progesterone therapy, is bioidentical to the progesterone our bodies make. It’s available in multiple forms, with pills being the most common form prescribed.
• Hormone Intrauterine Device (IUD): Progestins are a synthetic version of progesterone typically found in birth control, including a progestin-only IUD.
• Topical progesterone cream: Progesterone cream is a topical preparation, usually compounded by a specialty pharmacy, that delivers progesterone through the skin. It isn’t FDA-approved for menopause relief, but some studies suggest it may reduce wrinkles. ²⁷
• Patch: An estrogen-progesterone patch may be a good alternative if you can’t tolerate oral progesterone and prefer not to use an IUD.

Progesterone pills

Oral micronized progesterone is an FDA-approved form of hormone replacement therapy to treat menopause symptoms. Research shows that taking 200 mg a day over 12 days of a menstrual cycle or 100mg daily combined with estrogen is safe for treating menopausal symptoms with far less risk than with synthetic progestins. ²⁸

“My preference would be to use only the micronized progesterone that is commercially available and FDA-approved,” Scott says.

How to Take Progesterone

Progesterone HRT can be taken in one of three ways:

Daily with estrogen: One common regimen is a 100 mg oral capsule taken nightly with an estrogen patch. Daily use makes it easier to stay consistent, supports better sleep, and reduces the chance of withdrawal bleeding (the spotting that can occur when hormone levels drop).

Cyclically with estrogen: Some women take progesterone only during the second half of the month—typically 100–200 mg daily for about 12 days—along with an estrogen patch.

Daily without estrogen: For women who can’t take estrogen, progesterone alone may help with hot flashes and night sweats. The usual starting dose is 100 mg nightly, with the option to increase to 200–300 mg if symptoms persist.

Side Effects of Progesterone

As with any medication, progesterone has the potential to cause side effects.

• Bloating: Initially, you might experience bloating and gain water weight. “It’s not true weight or true fat gain, but it can be uncomfortable and should resolve after being on the medication for a period of time,” says Meagan Marcuccilli, MD, a physician specializing in menopause care.
• Menstrual changes: You may also notice some changes to your periods. “You can see disruptions in your cycle or late or early period spotting, which you could see for up to three to six months after starting progesterone,” Marcuccilli says.
• Drowsiness: Because progesterone has a calming, sedative effect (which is great for sleep), it may cause drowsiness if taken by day, Kunsman notes.
• Headaches: If your dose is too high, you might have headaches, dizziness, or lightheadedness.

Let your physician know if you’re experiencing any of these effects so they can assess whether your dosage should be adjusted.

Making sure both estrogen and progesterone are properly balanced is often the key to avoiding negative side effects. “In my experience, side effects are due to the dose of progesterone or estrogen imbalance,” Scott says. “If someone has really low estrogen and you give them progesterone, that’s not going to make them feel good, either. In menopause, you need both.”

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About the author

Stephanie Anderson Witmer is a freelance journalist and content creator based in Pennsylvania. She's written health and lifestyle stories for Women's Health, Redbook, Prevention, Good Housekeeping, USA Today, Better Homes & Gardens, Giddy, Parade, Yoga Journal, and more.

About the reviewer

Marilyn Lajoie, M.D., is an internist who specializes in hormone therapy for men and women. She holds degrees in integrative medicine from Saba University School of Medicine and chiropractic medicine from Northeast College of Health Sciences.