Survey of oral contraceptive usage.
D000367:Age Factors; D001315:Australia; D003267:Contraception; D003268:Contraception Behavior; D003276:Contraceptives, Oral; D019049:Developed Countries; D005193:Family Planning Services; D017533:Marital Status; D010139:Pacific Islands; D012106:Research
D003276:Contraceptives, Oral
Age Factors; Australia; Contraception; Contraceptive Methods--statistics; Contraceptive Usage--statistics; Developed Countries; Family Planning; Marital Status; Oceania; Oral Contraceptives--statistics; Research And Development