[Comparative study of 4 microdose progestagen - only non-stop oral contraceptives (lynestrenol, D-norgestrel, norethisterone acetate, norgestrienone)  on 483 women and 4358 cycles)].
Soutoul
J H
JH
Renaud
M
M
Jallatte
C S
CS
Bertrand
J
J
D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D016912:Levonorgestrel; D008234:Lynestrenol; D009640:Norethindrone; D045167:Progesterone Congeners; D012106:Research
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D045167:Progesterone Congeners; D016912:Levonorgestrel; D008234:Lynestrenol; D009640:Norethindrone
Clinical Research; Comparative Studies; Contraception; Contraceptive Agents, Female--indications; Contraceptive Agents, Progestin--indications; Contraceptive Agents--indications; Contraceptive Effectiveness; Evaluation; Family Planning; Levonorgestrel; Lynestrenol; Norethindrone; Norethindrone Acetate; Oral Contraceptives; Progestins, Low-dose--indications; Research Methodology; Studies; Use-effectiveness