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 Level 2
 
 G - Genito urinary system and sex hormonesG03 - Sex hormones and modulators of the genital system
 
 G03A - Hormonal contraceptives for systemic useG03B - AndrogensG03C - EstrogensG03D - ProgestogensG03E - Androgens and female sex hormones in combinationG03F - Progestogens and estrogens in combinationG03G - Gonadotropins and other ovulation stimulantsG03H - AntiandrogensG03X - Other sex hormones and modulators of the genital system
 
 
 
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