New Study Finds Perimenopause Symptoms Start Earlier Than Expected

For years, menopause has been framed as something that happens to women in their late 40s or early 50s. But new research published in NJP Women’s Health is challenging that assumption, revealing that more than half of women in their early- to mid-30s are already experiencing perimenopause symptoms—some of them severe.

New Study Finds Perimenopause Symptoms Start Earlier Than Expected—Why This Matters for Fertility and Reproductive Health

This discovery could have profound implications for fertility, reproductive health, and how we approach menopause education and treatment.

What the Study Found: Perimenopause Symptoms Are Showing Up Earlier

The study, which analyzed data from more than 4,400 women using the Flo app to track their cycles and symptoms, found that:

✅ 55.4% of women aged 30–35 reported moderate to severe perimenopause symptoms.

✅ That number jumped to 64.3% in women aged 36–40.

✅ Most women don’t talk to a doctor about menopause symptoms until after age 56.

Many women in the study experienced mental health symptoms—like anxiety, depression, and irritability—before they noticed physical changes. Classic menopause symptoms, such as hot flashes and night sweats, tended to peak in women aged 51–55, while issues like vaginal dryness and bladder problems were most common in women over 51.

However, the fact that younger women are already experiencing significant symptoms is an alarming trend—especially given the lack of awareness and support around perimenopause at this stage of life.

How Early Perimenopause Affects Fertility

For women trying to conceive—particularly those navigating infertility—this study raises important concerns. If perimenopause-related hormonal fluctuations are happening earlier, it could mean that ovarian reserve and egg quality are declining sooner than expected.

We already know that perimenopause is marked by fluctuations in estrogen and progesterone, which can impact ovulation, menstrual cycles, and fertility. If these changes start in the early 30s, it could mean that some women may unknowingly struggle with infertility earlier than anticipated.

Women experiencing irregular cycles, mood swings, or other symptoms should consider getting a comprehensive hormone panel, including AMH (Anti-Müllerian Hormone), FSH (Follicle-Stimulating Hormone), and estrogen levels, to assess their ovarian reserve and reproductive health.

What Perimenopause Symptoms Should You Watch For?

Perimenopause—the transition phase leading up to menopause—typically lasts several years. The Menopause Rating Scale, which was used in this study, tracks a range of symptoms, including:

🔹 Hot flashes and sweating
🔹 Sleep disturbances
🔹 Mood swings, anxiety, and depression
🔹 Brain fog and memory issues
🔹 Irregular periods
🔹 Vaginal dryness and decreased libido
🔹 Bladder problems
🔹 Joint and muscle pain

If you’re noticing any of these symptoms, it’s important not to dismiss them as just stress, lifestyle factors, or aging.

When Should You See a Doctor?

This study also revealed that most women wait years before discussing menopause symptoms with their doctor—often suffering in silence. Experts stress that if you’re experiencing perimenopause symptoms in your 30s or early 40s, you should advocate for yourself and seek medical advice.

Your doctor may recommend:
✅ Fertility preservation options (such as egg freezing) if you’re concerned about future pregnancy
✅ Hormone therapy or low-dose birth control to manage symptoms
✅ Lifestyle modifications including diet, exercise, and supplements to support hormonal balance

Why This Matters for Women’s Health and IVF

This study shows a major gap in reproductive health education and menopause awareness. If perimenopause symptoms are showing up earlier, more women may face unrecognized fertility challenges or miss the window for proactive reproductive care.

Whether you’re actively trying to conceive, going through IVF, or just starting to think about your future fertility, knowing how your body is changing—and when—is crucial.

The Takeaway: Be Proactive About Your Reproductive Health

If you’re experiencing perimenopause symptoms before 40, don’t wait to seek help. Advocate for testing, discuss your fertility options, and ensure you’re getting the right support to manage symptoms and protect your long-term reproductive health.

Source: Cunningham, A. et al. “Self-reported perimenopausal symptoms are common among young women: evidence from the Apple Women’s Health Study.” NJP Women’s Health, 2025. Read the full study here.

Medical Disclaimer: The information provided in this blog is intended for general informational purposes only and should not be considered as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your healthcare provider or qualified medical professional with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read in this blog.