Ovarian Cancer Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have regular menstrual cycles, have been diagnosed with Polycystic Ovary Syndrome (PCOS), or are an athlete, and are between 18 and 45 years old
- You test negative for pregnancy at the start and end of each cycle during the study
- Your menstrual cycles are between 24 and 34 days long
- You know the lengths of your last 3 menstrual cycles
- You are able to travel to a clinic in Calgary regularly for ultrasound appointments during the study
Who may not be able to join:
- For people with regular cycles: You have not been releasing eggs (ovulating) in your last 3 cycles
- For people with regular cycles: You are currently taking, or have taken in the last 3 months, medications that affect ovulation — such as birth control pills or fertility drugs
- For people with regular cycles: You have a known condition that affects ovulation or fertility, such as PCOS, endometriosis, a recent pelvic infection (within the last year), a pituitary gland tumour, or you are exclusively breastfeeding
- For people with regular cycles: You have had surgery that affects your menstrual cycle, such as removal of the uterus or both ovaries
- For PCOS and athlete groups: You are currently taking, or have taken in the last 3 months, medications that affect ovulation — such as birth control pills or fertility drugs
- For PCOS and athlete groups: You have a known condition affecting ovulation or fertility, such as a recent pelvic infection (within the last year), a pituitary gland tumour, or you are exclusively breastfeeding
- For PCOS and athlete groups: You have had surgery that affects your menstrual cycle, such as removal of the uterus or both ovaries
- You are currently pregnant (applies to all groups)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Thomas Bouchard, MD, University of Calgary
Phone: 4036674296
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
The rise and fall of urine luteinizing hormone will predict of ovulation in all participants with confirmed ovulation; The rise in urine progesterone will confirm ovulation in all participants who have ovulated based on ultrasound; Follicle-stimulating hormone (FSH) and estrogen (E3G) changes will predict the onset of the fertile window at least 5 days before ovulation in participants with confirmed ovulation
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.