MenstruationMenstruation DisturbancesMenstrual CycleMenstrual Hygiene ProductsDysmenorrheaEndometriumAmenorrheaMenstruation-Inducing AgentsMenorrhagiaEndometriosisPremenstrual SyndromeMenarcheProgesteroneLynestrenolLuteal PhaseUterusOligomenorrheaDydrogesteroneUterine HemorrhageEthamsylateFollicular PhaseDroperidolHemoperitoneumContraceptives, OralEstradiolPregnancyContraceptive Agents, FemaleLevonorgestrelOvulation InhibitionInfertility, FemalePrimate DiseasesDeciduaPeritoneal DiseasesIntrauterine DevicesOvulationFollicle Stimulating Hormone, HumanVaginaOvaryAnovulationStromal CellsFollicle Stimulating HormoneMatrix MetalloproteinasesMedroxyprogesterone AcetateMenopauseGonadal Steroid HormonesPapioMifepristonePostpartum PeriodEmbryo ImplantationLuteinizing HormoneEstrenesGenital Diseases, FemalePremenopauseEstrogensMatrix Metalloproteinase 3CollagenasesTime Factors