Anatomical Therapeutic Chemical • G03AC03 • levonorgestrel

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

G03AA Progestogens and estrogens, fixed combinations

G03AB Progestogens and estrogens, sequential preparations

G03AC Progestogens

G03AC02 lynestrenol

G03AC03 levonorgestrel

G03AC06 medroxyprogesterone

G03AC08 etonogestrel

G03AC09 desogestrel

G03AC10 drospirenone

G03AD Emergency contraceptives

G03B Androgens

G03C Estrogens

G03D Progestogens

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, excluding 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