Perimenopause guide

10 Common Signs of Perimenopause and How to Track Them

Perimenopause is the transition leading up to menopause, often beginning in your 40s. It can bring a wide mix of physical and emotional changes that come and go. Knowing the most common signs — and tracking them consistently — helps you separate hormonal patterns from everyday ups and downs, and gives your doctor clear information to work with.

1Irregular periods

Cycles that grow shorter, longer, lighter, or heavier are often the earliest signal. Track the gap between periods to spot the shift over time.

2Hot flashes and night sweats

Sudden waves of heat, flushing, and sweating — especially at night — are among the most recognized signs. Note their timing and intensity.

3Sleep disruption

Trouble falling asleep, waking frequently, or early-morning waking. Logging hours slept helps separate hormonal patterns from other causes.

4Mood changes

Irritability, anxiety, or low mood that feels out of character. Daily mood notes reveal whether shifts track with your cycle.

5Brain fog

Forgetfulness and difficulty concentrating. It's common and usually temporary, but worth recording to share with your clinician.

6Fatigue

Persistent tiredness not explained by activity. Pairing fatigue logs with sleep data often surfaces a clear pattern.

7Vaginal dryness and changes in libido

Lower estrogen can cause dryness, discomfort, and shifts in sex drive. These are treatable — tracking helps you raise them with a doctor.

8Headaches or migraines

Hormone fluctuations can trigger new or worsening headaches. Note frequency and whether they cluster around your cycle.

9Joint aches and stiffness

Estrogen affects joints and connective tissue, so new aches are common. Logging severity over weeks shows the trend.

10Weight and body changes

Changes in weight distribution, especially around the midsection. Consistent tracking gives context beyond a single weigh-in.

How to track your perimenopause symptoms

  • Log daily — a quick 30-second check-in captures patterns a memory can't.
  • Rate severity on a simple scale so you can compare weeks at a glance.
  • Note your cycle alongside symptoms to reveal hormonal links.
  • Review trends monthly to see what's improving or worsening.
  • Bring a doctor-ready report to appointments instead of guessing.
Start tracking with HerFlow

This guide is for general education and isn't medical advice. If symptoms are severe or concerning, talk to a qualified healthcare professional.