MenarchePuberty, DelayedPubertyPuberty, PrecociousReproductive HistoryAge FactorsMenstruation DisturbancesMenopauseParityMenstruationBody HeightSexual DevelopmentMenstrual CycleBody Mass IndexAge of OnsetContraceptives, OralRisk FactorsAdolescent DevelopmentSexual MaturationGrowthGymnasticsGravidityDysmenorrheaBreast NeoplasmsPregnancyBirth WeightLongitudinal StudiesHair PreparationsAmenorrheaCohort Studies