[The expediency of using natural oestrogens in combined oral contraceptive tablets].
Kovacs
L
L
Zalanyi
S
S
Tekulics
A
A
Sas
M
M
D000568:Amenorrhea; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D004958:Estradiol; D004964:Estriol; D004997:Ethinyl Estradiol; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D008597:Menstrual Cycle; D012102:Reproductive Control Agents
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D012102:Reproductive Control Agents; D004997:Ethinyl Estradiol; D004958:Estradiol; D004964:Estriol
Amenorrhea; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods; Contraceptive Methods--side effects; Estradiol; Estriol; Ethinyl Estradiol; Evaluation; Family Planning; Menstrual Cycle; Norethindrone Acetate; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Reproductive Control Agents