Shortened Luteal Phase

By RRM Academy Reviewed by Dr. Naomi Whittaker, MD, Board-Certified OBGYN, MIGS, NFPMC, FCI Updated May 7, 2026

A luteal phase <10 days in duration, associated with inadequate progesterone production, impaired endometrial maturation, and reduced fertility. Observed in conditions of hormonal imbalance, ovulation induction side effects, and physical stress.¹

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