Cervix MucusEndometriumMucusCervix UteriSwimmingMenstrual CycleEndometriosisUterine Cervical NeoplasmsEmbryo ImplantationEndometrial NeoplasmsUterusEndometrial HyperplasiaPregnancyMenstruationDeciduaCervical RipeningPregnancy, AnimalProgesteroneAir SacsUterine DiseasesImmunohistochemistryUterine NeoplasmsLuteal PhaseUterine HemorrhagePregnancy ProteinsMyometriumStromal CellsEstrous CycleEstradiolEndometritisMucinsRNA, MessengerMenorrhagiaHysterectomyLevonorgestrelImmobility Response, TonicInfertility, FemaleVaginaMetrorrhagiaEstrusUterine Cervical DiseasesEpitheliumMucociliary ClearancePseudopregnancyGenitalia, FemaleReceptors, Progesterone