Molimina

By RRM Academy Reviewed by Dr. Naomi Whittaker, MD, Board-Certified OBGYN, MIGS, NFPMC, FCI Updated May 14, 2026

Molimina (from Latin: exertions) is a cluster of mild, predictable premenstrual symptoms that reflect normal luteal-phase progesterone activity. Typical features include slight breast tenderness, a sense of pelvic fullness, mild fluid retention, subtle mood shifts, and premenstrual mucus changes. These symptoms arise because the corpus luteum is producing progesterone. They resolve when menstruation begins.¹

Molimina is a positive physiologic sign. Its presence in a predictable cycle pattern correlated with peak day timing supports ovulation. Its absence, particularly in cycles that appear outwardly regular, raises clinical suspicion for anovulatory bleeding or a deteriorating luteal phase. Research data show that absence of molimina has high specificity for ovulatory disturbance, while its presence alone does not confirm adequate ovulation.¹

Molimina is distinct from PMS. PMS is a symptomatic excess: disproportionate mood disturbance or physical symptoms that impair function. Molimina is the body registering normal luteal activity at a low level. The distinction matters clinically. Eliminating all premenstrual awareness with suppressive medications masks a signal that carries diagnostic value. The chart captures it.²

In fertility charting, consistent molimina recorded alongside mucus observations and peak day over multiple cycles builds a pattern. Loss of molimina across successive cycles, or its absence from the beginning, is a charted finding that informs the clinical picture rather than a detail to dismiss.

This content is for educational purposes only and does not constitute medical advice. Consult an RRM clinician or healthcare provider for guidance specific to your situation.