EflornithineMelarsoprolTrypanocidal AgentsNifurtimoxTrypanosomiasis, AfricanTrypanosoma brucei gambienseCongoAngolaHair RemovalDemocratic Republic of the CongoTrypanosoma brucei bruceiContraceptives, OralTreatment OutcomeContraceptives, PostcoitalContraceptives, Oral, CombinedContraceptives, Oral, Hormonal