The luteal phase is the latter phase of the menstrual cycle (in humans and a few other animals) or the earlier phase of the estrous cycle (in other placental mammals).
phase | phase (waves) | Phase-change material | Phase | 2010–11 UEFA Europa League qualifying phase and play-off round | S phase | phase transition | Phase (game) | Laves phase | Three-phase electric power | three-phase | Solid phase extraction | Single-phase electric power | Phase transition | phase space | Phase diagram | G0 phase | Another Phase | Two-phase locking | Two-phase commit protocol | Tsukuyomi: Moon Phase | Three-phase | The Hitchhiker's Guide to the Galaxy Tertiary to Quintessential Phases#The Tertiary Phase | The Hitchhiker's Guide to the Galaxy Primary and Secondary Phases#The Primary Phase | Solid-phase microextraction | single-phase electric power | Reverse phase protein lysate microarray | Reversed-phase chromatography | Quasi-phase-matching | Phase (waves) |