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Table 2 Contraceptives reported to be associated with tumor growth

From: Do hormonal contraceptives stimulate growth of neurofibromas? A survey on 59 NF1 patients

Contraceptive (Commercial name)

Type

Composition

Number of patients who experienced tumor growth

Number of patients who did not experience tumor growth

Non-Ovlon

combined oral

0.05 mg estrogen

1.0 mg noreethisteron acetate

1

slight

7

Marvelon

combined oral

0.03 mg estrogen

0.15 mg desogestrel

1

slight

6

Femranette

combined oral

0.03 mg estrogen

0.15 mg levonorgestrel

1

slight

1

Trisiston

combined oral

0.03 mg estrogen

0.125 mg levonorgestrel

1

slight

1

Ovanon

combined oral

0.05 mg estrogen

2.5 mg lynestrenol

1

slight

1

Depot-Clinovir

parenteral progestogen

150 mg medroxyprogesterone acetat

200 mg norethisteron enanthat

2

significant

0