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[Regulation of fertility in lactation]
Abstract
No abstract available in PubMed .
Keywords:
Birth RateBreast FeedingContraceptionContraceptive MethodsDemographic FactorsFamily PlanningFamily Planning, Behavioral MethodsFertilityFertility MeasurementsFertility RateHealthInfant NutritionIudLactation, ProlongedMenstrual CycleMenstruationNutritionOral ContraceptivesOvulationPopulationPopulation DynamicsReproductionWorld