title: How effective are low-dose triphasics when pills are missed?
mesh_terms: D001519:Behavior; D003267:Contraception; D003268:Contraception Behavior; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D004997:Ethinyl Estradiol; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D010349:Patient Compliance; D045167:Progesterone Congeners
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D045167:Progesterone Congeners; D004997:Ethinyl Estradiol
keywords: Behavior; Contraception; Contraception Failure; Contraceptive Agents; Contraceptive Agents, Estrogen; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Usage; Ethinyl Estradiol; Evaluation; Family Planning; Oral Contraceptives; Oral Contraceptives, Combined; Oral Contraceptives, Low-dose; Oral Contraceptives, Phasic; Progestins, Low-dose; Use-effectiveness; User Compliance