G03A Hormonal contraceptives for systemic use G03AA Progestogens and estrogens, fixed combinations G03AA01 Etynodiol and ethinylestradiol G03AA02 Quingestanol and ethinylestradiol G03AA03 Lynestrenol and ethinylestradiol G03AA04 Megestrol and ethinylestradiol G03AA05 Norethisterone and ethinylestradiol G03AA06 Norgestrel and ethinylestradiol G03AA07 Levonorgestrel and ethinylestradiol G03AA08 Medroxyprogesterone and ethinylestradiol G03AA09 Desogestrel and ethinylestradiol G03AA10 Gestodene and ethinylestradiol G03AA11 Norgestimate and ethinylestradiol G03AA12 Drospirenone and ethinylestradiol G03AA13 Norelgestromin and ethinylestradiol G03AA14 Nomegestrol and estradiol G03AA15 Chlormadinone and ethinylestradiol G03AA16 Dienogest and ethinylestradiol G03AA17 Medroxyprogesterone and estradiol G03AA18 Drospirenone and estetrol G03AB Progestogens and estrogens, sequential preparations G03AB01 Megestrol and ethinylestradiol G03AB02 Lynestrenol and ethinylestradiol G03AB03 Levonorgestrel and ethinylestradiol G03AB04 Norethisterone and ethinylestradiol G03AB05 Desogestrel and ethinylestradiol G03AB06 Gestodene and ethinylestradiol G03AB07 Chlormadinone and ethinylestradiol G03AB08 Dienogest and estradiol G03AB09 Norgestimate and ethinylestradiol G03AC Progestogens G03AC01 Norethisterone G03AC02 Lynestrenol G03AC03 Levonorgestrel G03AC04 Quingestanol G03AC05 Megestrol G03AC06 Medroxyprogesterone G03AC07 Norgestrienone G03AC08 Etonogestrel G03AC09 Desogestrel G03AC10 Drospirenone G03AD Emergency contraceptives G03AD01 Levonorgestrel G03AD02 Ulipristal G03B Androgens G03BA 3-oxoandrosten-(4) derivatives G03BA01 Fluoxymesterone G03BA02 Methyltestosterone G03BA03 Testosterone G03BB 5-androstanon-(3) derivatives G03BB01 Mesterolone G03BB02 Androstanolone G03C Estrogens G03CA Natural and semisynthetic estrogens, plain G03CA01 Ethinylestradiol G03CA03 Estradiol G03CA04 Estriol G03CA06 Chlorotrianisene G03CA07 Estrone G03CA09 Promestriene G03CA53 Estradiol, combinations G03CA57 Conjugated estrogens G03CB Synthetic estrogens, plain G03CB01 Dienestrol G03CB02 Diethylstilbestrol G03CB03 Methallenestril G03CB04 Moxestrol G03CC Estrogens, combinations with other drugs G03CC02 Dienestrol G03CC03 Methallenestril G03CC04 Estrone G03CC05 Diethylstilbestrol G03CC06 Estriol G03CC07 Conjugated estrogens and bazedoxifene G03CX Other estrogens G03CX01 Tibolone G03D Progestogens G03DA Pregnen-(4) derivatives G03DA01 Gestonorone G03DA02 Medroxyprogesterone G03DA03 Hydroxyprogesterone G03DA04 Progesterone QG03DA90 Proligestone G03DB Pregnadien derivatives G03DB01 Dydrogesterone G03DB02 Megestrol G03DB03 Medrogestone G03DB04 Nomegestrol G03DB05 Demegestone G03DB06 Chlormadinone G03DB07 Promegestone G03DB08 Dienogest G03DC Estren derivatives G03DC01 Allylestrenol G03DC02 Norethisterone G03DC03 Lynestrenol G03DC04 Ethisterone G03DC05 Tibolone G03DC06 Etynodiol G03DC31 Methylestrenolone (normethandrone) QG03DX Other progestogens QG03DX90 Altrenogest QG03DX91 Delmadinone G03E Androgens and female sex hormones in combination G03EA Androgens and estrogens G03EA01 Methyltestosterone and estrogen G03EA02 Testosterone and estrogen G03EA03 Prasterone and estrogen G03EB Androgen, progestogen and estrogen in combination G03EK Androgens and female sex hormones in combination with other drugs G03EK01 Methyltestosterone G03F Progestogens and estrogens in combination G03FA Progestogens and estrogens, fixed combinations G03FA01 Norethisterone and estrogen G03FA02 Hydroxyprogesterone and estrogen G03FA03 Ethisterone and estrogen G03FA04 Progesterone and estrogen G03FA05 Methylnortestosterone (normethandrone) and estrogen G03FA06 Etynodiol and estrogen G03FA07 Lynestrenol and estrogen G03FA08 Megestrol and estrogen G03FA09 Noretynodrel and estrogen G03FA10 Norgestrel and estrogen G03FA11 Levonorgestrel and estrogen G03FA12 Medroxyprogesterone and