Composition | Dose | Brand names | Use |
---|---|---|---|
NET only | Low (e.g., 0.35 mg) | Multiple [a] | Progestogen-only oral contraceptive |
NET or NETA only | High (e.g., 5 mg, 10 mg) | Multiple [b] | Gynecological disorders and other uses |
NETE only | Injection (e.g., 200 mg) | Multiple [c] | Progestogen-only injectable contraceptive |
NET or NETA with ethinylestradiol | Low (e.g., 0.4 mg, 0.5 mg, 0.75 mg, 1 mg, 1.5 mg) | Multiple [d] | Combined oral contraceptive |
NET with mestranol | Low (e.g., 1 mg, 2 mg) | Multiple [e] | Combined oral contraceptive |
NETA with estradiol | Low (e.g., 0.1 mg, 0.5 mg) | Multiple [f] | Combined menopausal hormone therapy |
NETE with estradiol valerate | Injection (e.g., 50 mg) | Multiple [g] | Combined injectable contraceptive |
Abbreviations: NET =
Norethisterone. NETA =
Norethisterone acetate. NETE =
Norethisterone enanthate. Sources: [1] [2] [3] [4] Notes:
|