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Summary
No abstract available in PubMed .
Keywords:
Age FactorsAmenorrheaAnovulationBiologyBreast CancerCancerCervical MucusContraceptive Agents, PostcoitalDemographic FactorsDemographyDermatological EffectsDiseasesDysmenorrheaEndocrine SystemEstrogens--therapeutic useHormonesInfectionsInfertilityLiterature ReviewMenarcheMenopauseMenorrhagiaMenstrual CycleMenstruation DisordersPhysiologyPopulationPopulation CharacteristicsPregnancyReproduction