Cell CycleMenstrual CycleCell Cycle ProteinsConfidence IntervalsTime FactorsEstrous CycleCitric Acid CycleRisk FactorsProspective StudiesCell Cycle CheckpointsTreatment OutcomePregnancyCohort StudiesCase-Control StudiesBirth IntervalsLife Cycle StagesOdds RatioFollow-Up StudiesRetrospective StudiesG1 PhaseEstrusElectrocardiographyIncidenceMitosisLogistic ModelsCell DivisionS PhaseProgesteroneModels, BiologicalMolecular Sequence DataDrug Administration ScheduleCyclinsMultivariate AnalysisAge FactorsRisk AssessmentProportional Hazards ModelsMutationDose-Response Relationship, DrugCyclin-Dependent KinasesPrognosisRiskBreast NeoplasmsFollicular PhaseLuteal PhaseHeart RateSurvival AnalysisAntineoplastic Combined Chemotherapy ProtocolsUnited StatesGenotypeCircadian RhythmReproducibility of ResultsApoptosisPrevalenceAnalysis of VarianceInfant, NewbornActivity CyclesPredictive Value of TestsOvulationCell LineCell ProliferationPeriodicitySurvival RateLong QT SyndromeRegression AnalysisBase SequenceReference ValuesCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27G2 Phase Cell Cycle CheckpointsLuteinizing HormoneRNA, MessengerSensitivity and SpecificityFertilization in VitroKineticsDouble-Blind MethodMenstruationRetinoblastoma ProteinCross-Sectional StudiesDNA ReplicationCell Line, TumorPregnancy RateQuestionnairesAntineoplastic AgentsSex FactorsNeoplasmsDNA-Binding ProteinsPhosphorylationCells, CulturedOvaryAmino Acid SequenceTumor Suppressor Protein p53Heart Conduction SystemFollicle Stimulating HormoneCDC2 Protein KinaseLongitudinal StudiesGenetic Predisposition to DiseasePhenotypeRecurrenceProtein-Serine-Threonine KinasesG0 Phase