Anatomical Therapeutic Chemical (ATC) Classification

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 A ALIMENTARY TRACT AND METABOLISM
 
 B BLOOD AND BLOOD FORMING ORGANS
 
 C CARDIOVASCULAR SYSTEM
 
 D DERMATOLOGICALS
 
 G GENITO URINARY SYSTEM AND SEX HORMONES
   G01 GYNECOLOGICAL ANTIINFECTIVES AND ANTISEPTICS
   G02 OTHER GYNECOLOGICALS
   G03 SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
     G03A HORMONAL CONTRACEPTIVES FOR SYSTEMIC USE
     G03B ANDROGENS
     G03C ESTROGENS [DG:DG01584]
     G03D PROGESTOGENS
       G03DA Pregnen (4) derivatives
       G03DB Pregnadien derivatives
       G03DC Estren derivatives
         G03DC01 Allylestrenol
         G03DC02 Norethisterone [DG:DG00456]
           D00182  Norethindrone (USP) <JP/US>
           D00953  Norethindrone acetate (USP) <US>
           D08285  Norethisterone enantate
         G03DC03 Lynestrenol
         G03DC04 Ethisterone
         G03DC06 Etynodiol [DG:DG00470]
         G03DC31 Methylestrenolone
     G03E ANDROGENS AND FEMALE SEX HORMONES IN COMBINATION
     G03F PROGESTOGENS AND ESTROGENS IN COMBINATION
     G03G GONADOTROPINS AND OTHER OVULATION STIMULANTS
     G03H ANTIANDROGENS
     G03X OTHER SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
   G04 UROLOGICALS
 
 H SYSTEMIC HORMONAL PREPARATIONS, EXCL. SEX HORMONES AND INSULINS
 
 J ANTIINFECTIVES FOR SYSTEMIC USE
 
 L ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS
 
 M MUSCULO-SKELETAL SYSTEM
 
 N NERVOUS SYSTEM
 
 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS
 
 R RESPIRATORY SYSTEM
 
 S SENSORY ORGANS
 
 V VARIOUS

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Last updated: May 26, 2026
According to WHO's ATC 2026

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