
FFP 643 The Problem With the Day 21 Progesterone Test
Sep 11, 2026 - 25:28
Radio and PodcastLive Radio & Podcasts
In episode 631, Lisa explores luteinized unruptured follicle syndrome (LUFS) — a lesser-known ovulatory dysfunction in which the dominant follicle fails to rupture and release the egg despite a normal-appearing LH surge...