Not a diagnosis: a head start. These are the three drivers most worth checking first, based on what the evidence says gets missed most often.
Flooding, clots, or changing protection hourly is medical, not "just you". It also drains iron.
Worsening pain over years, pain with sex, bowel pain on your period: endometriosis questions.
Heavy cycles cause low iron, which causes fatigue that gets blamed on everything else.
Ferritin, full blood count; symptom diary across two cycles
1. Start a two-minute note in the free journal that asks back, so the pattern becomes visible.
2. Take the test list above to your GP; the Health Journal will help you say it clearly.
3. Read the evidence: Estrogen Dominance: The Hidden Cause Behind Most Period Problems · Your Period Problems Aren't Normal: What the Research Actually Says.
Want it tracked and reviewed monthly by a real person? The Club, £10/month.
Education, not diagnosis, and never a replacement for your GP or pharmacist. Reference ranges and guidance vary; sudden, severe or worsening symptoms need 111, or 999 in an emergency. By Hussain Sharifi · independent, affiliate-free health intelligence.