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Biological effectiveness of the sympto thermal rhythm method. An international study. A preliminary report
Abstract
No abstract available in PubMed .
Keywords:
Acceptor CharacteristicsAfricaAfrica South Of The SaharaAge FactorsAmericasCanadaCervical Mucus MethodColombiaContraceptionContraceptive EffectivenessDemographic FactorsDeveloped CountriesDeveloping CountriesEastern AfricaEconomic FactorsEnglish Speaking AfricaEuropeFamily PlanningFamily Planning, Behavioral MethodsFertilityFertility MeasurementsFranceFrench Speaking AfricaLatin AmericaMauritiusMediterranean CountriesNatural Family PlanningNorth AmericaNorthern AmericaParityPopulationPopulation CharacteristicsPopulation DynamicsProspective StudiesResearch MethodologyRhythm Method, CalendarSocioeconomic FactorsSocioeconomic StatusSouth AmericaStudiesUnited StatesUse-effectivenessWestern Europe