Smartphone vs Manual Interpretation of Biomarkers for Ovulation and Luteal Phase Detection (SMOM Study)
Trial Parameters
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Brief Summary
This study will compare different combinations of fertility signs (cervical mucus (CM), luteinizing hormone \[LH\], pregnanediol glucuronide \[PDG\], and basal body temperature \[BBT\]) to determine which are most reliable for identifying ovulation and luteal phase length. Thirty existing Premom App users will track daily observations for three menstrual cycles. Participants will record mucus, perform urine tests, upload test strip photos to the Premom App, and measure BBT. Both participant readings and AI-assisted app readings will be analyzed. The main goal is to find which marker pairings give the most accurate picture of ovulation timing and luteal phase length. Secondary goals include understanding ease of use, the number of tests required, and whether the app improves accuracy.
Eligibility Criteria
Inclusion Criteria: * Female, aged 16 to 45 * Natural menstrual cycles equal or less than 35 days * Off hormonal contraception for more than 3 months * Current user of the Premom App * Willing to track cervical mucus, LH, PDG, and BBT for 3 full cycles * Lives within 50 km of study site in the Ottawa region * Able to provide informed consent Exclusion Criteria: * Pregnant or breastfeeding * Current hormonal therapy or contraception * Known anovulatory disorders, e.g., Polycystic Ovary Syndrome, hypothalamic amenorrhea. * Very irregular or absent cycles * Not using the Premom App * Unable or unwilling to complete tracking or provide consent