Aumatma Simmons: Pre-Menstrual Spotting – A Clinically Significant Cycle Red Flag
Aumatma Simmons, Co-Founder and Chief Fertility Officer at Madre Fertility, shared on LinkedIn:
“Pre-Menstrual Spotting: A Clinically Significant Cycle Red Flag.
Brown spotting occurring 3-5 days before menstruation represents a clinically significant finding often dismissed as normal variation, warranting further investigation.
Clinical Associations:
Pre-menstrual spotting typically indicates:
- Insufficient progesterone production
- Luteal phase defect
- Potential thyroid dysfunction
Evidence Base:
Research published in the Journal of Clinical Endocrinology and Metabolism demonstrated that women with luteal phase defects exhibited significantly lower progesterone levels and higher rates of pre-menstrual spotting compared to women with normal fertility parameters.
Additionally, a 2019 study in Fertility and Sterility found that women with thyroid dysfunction were 2.3 times more likely to experience pre-menstrual spotting.
Clinical Implication: This symptom, while common, should prompt evaluation of luteal phase progesterone levels and comprehensive thyroid function rather than dismissal as normal cycle variation.”

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