How I found out I had uterine cancer, what I wish I had known, and what everyone with PCOS should know about their period if you're on a GLP-1 like semaglutide or tirzepatide

My PCOS Journey and the Shocking Diagnosis

Living with PCOS for over 20 years meant irregular periods were my normal. By age 48, I'd failed every diet, my joints ached from carrying extra weight, and hormonal chaos made losing pounds feel impossible. When my doctor prescribed semaglutide, the results were life-changing at first: 45 pounds gone in six months, better blood sugar, and less joint pain. But something felt off. My already unpredictable cycles simply stopped. I celebrated the "break" from heavy bleeding until severe pelvic pain sent me to the ER.

An ultrasound revealed thickened endometrial lining. The biopsy confirmed stage 1 uterine cancer, specifically endometrial adenocarcinoma. Caught early thanks to that pain, but I wish I'd known the red flags sooner. My story isn't unique—many women with PCOS on GLP-1s like tirzepatide or semaglutide experience suppressed cycles that hide serious issues.

What PCOS Women on GLP-1s Must Monitor About Their Periods

PCOS already raises endometrial cancer risk by 3-4 times due to unopposed estrogen from lack of regular ovulation. GLP-1 medications often induce significant weight loss, which can dramatically alter hormone levels and further suppress menstruation. While many view amenorrhea as a benefit, it can mask abnormal bleeding or hyperplasia.

Track any spotting, even light. Note pelvic pressure, unusual discharge, or pain during intercourse. In my method detailed in The CFP Weight Loss Protocol, we emphasize monthly endometrial health checks for women over 45 with PCOS: maintain a simple period diary even if cycles are absent. Log weight, fasting insulin, and any bleeding—no matter how minor. Insurance barriers often prevent specialist visits, so start with your primary care provider requesting a transvaginal ultrasound if you've had no period for 90+ days after weight stabilization.

Actionable Steps to Protect Your Health

First, don't stop your GLP-1 without medical guidance—weight regain can worsen insulin resistance. Instead, request an endometrial biopsy or ultrasound after 10-15% body weight loss if periods vanish. Combine with my CFP approach: 25-30g protein at breakfast stabilizes hormones better than complex meal plans. Low-impact movement like 15-minute daily walks eases joint pain without gym overwhelm.

Manage diabetes and blood pressure alongside by focusing on fiber-rich foods that support gut health, which influences estrogen metabolism. If embarrassed about obesity discussions, prepare specific questions: "Given my PCOS and GLP-1 use, should we screen for endometrial changes?" Early detection saves lives—my cancer was treatable with hysterectomy, but I now advocate for every woman in our community.

Key Lessons for Long-Term Success

Weight loss shouldn't come at the cost of ignoring your body's signals. GLP-1s like semaglutide offer powerful metabolic reset, but PCOS requires vigilant cycle awareness. What I wish I'd known: absent periods aren't always benign after 45. Schedule annual gynecologic checks, prioritize sleep to balance cortisol, and use my simplified CFP tracking sheets that take just 5 minutes daily. Your health journey deserves attention beyond the scale.