Table 1 Combination oral contraceptive use among premenopausal WISH participants, by brand name and crossclassified by pill content and potency

Chlormadinone acetate

Dimethisterone

Ethynodiol diacetate

Demulen 1/35^a (1/35)

Ovulen^a (1/100)

Demulen 1/35^a (1/35)

Ovulen^a (1/100)

Demulen 1/50^a (1/50)

Demulen 1/50^a (1/50)

Medroxyprogesterone acetate

Provest^a (10/50)

Provest^a (10/50)

Norethynodrel

Enovid 10 mg^a (9.85/150)

Enovid 10 mg^a (9.85/150)

Norethindrone

Genora 1/50^a (1/50)

Brevicon (0.5/35)

Ortho-Novum 10 mg^a

Ortho-Novum 10 mg^a

Norinyl 1/50 (1/50)

Modicon (0.5/35)

(10/60)

(10/60)

Ortho-Novum 1/50

Nelova 1/35e^a (1/35)

Norinyl 10 mg ^a (10/60)

Norinyl 10 mg ^a (10/60)

(1/50)

Norinyl 1/35 (1/35)

Tri-norinyl (0.5 : 1 : 0.5/35)

ORF 1557-BE ^a (0.5/35)

ORF 1557-BF ^a (1/35)

Ortho-novum 1/35 (1/35)

Ortho-novum 10/11 (0.5 : 1/35)

Ortho-novum 7/7/7 (0.5 : 0.75 : 1/35)

Ovcon 35 (0.4/35)

Norethindrone acetate

Loestrin 1.5/30 (1.5/30)

Norlestrin 1/50^a (1/50)

Ovral (0.5/50)

Loestrin 1/20 (1/20)

Norlestrin 2.5/50 ^a (2.5/50)

Norlestrin var red ^a (1/20)

Norlestrin low ^a (0.5/50)

Zorane 1.5/30^a (1.5/30)

Norlestrin var black ^a

Zorane 1/20^a (1/20)

(2/40)

Norgestrel

Lo/Ovral (0.3/30)

Ovral (0.5/50)

Ovral blue ^a (0.15/30)

Ovral brown ^a (0.15/15)

Levonorgestrel

Levlen (0.15/35)

Nordette (0.15/30)

Tri-levlen (0.05 : 0.075 : 0.125/30 : 40 : 30)

Triphasil (0.05 : 0.075 : 0.125/30 :40 : 30)