DoxycyclineAnti-Bacterial AgentsTetracyclinesTreatment OutcomeTetracyclineMatrix Metalloproteinase InhibitorsOutcome Assessment (Health Care)AzithromycinMinocyclineContraceptives, OralBrucellosisOxytetracyclineFilaricidesPregnancy OutcomeDrug Therapy, CombinationTime FactorsMicrobial Sensitivity TestsContraceptives, PostcoitalAnti-Infective AgentsMatrix Metalloproteinase 8Retrospective StudiesFollow-Up StudiesContraceptives, Oral, CombinedProspective StudiesDouble-Blind MethodContraceptives, Oral, Hormonal