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Ovulation inhibition following vaginal administration of pills containing norethindrone and mestranol
Contraception
|February 1, 1984
Abstract:
Plasma levels of estradiol and progesterone were investigated in women using daily vaginal pills containing 1 mg norethindrone and 50 mcg mestranol. Of 13 treatment cycles in ten women using one vaginal pill daily, six were ovulatory and seven anovulatory. All 12 cycles in ten women using two vaginal pills daily were anovulatory.
Keywords:
BiologyComparative StudiesContraceptionContraceptive AgentsContraceptive Agents, EstrogenContraceptive Agents, FemaleContraceptive Agents, ProgestinContraceptive EffectivenessContraceptive MethodsContraceptive Methods--administraction and dosageContraceptive Mode Of ActionEndocrine SystemEvaluationFamily PlanningHormonesMeasurementMestranolNorethindroneOral Contraceptives, Combined--administraction and dosageOral Contraceptives--administraction and dosageOvulationOvulation SuppressionPhysiologyQualitative EvaluationReproductionReproductive Control AgentsResearch MethodologyStudiesUse-effectivenessVaginal SpermicidesVaginal Tablet