Ortho-Novum

[Norethindrone/Ethinyl Estradiol]

Indications & Dosage
INDICATIONS AND USAGE

ORTHO-NOVUM 7/ 7/ 7, ORTHO-NOVUM 10/ 11, ORTHO-NOVUM 1/ 35, and MODICON Tablets are indicated for the prevention of pregnancy in women who elect to use this product as a method of contraception.

Oral contraceptives are highly effective. Table I lists the typical accidental pregnancy rates for users of combi-nation oral contraceptives and other methods of contraception. The efficacy of these contraceptive methods, except sterilization, the IUD, and the NORPLANT System depends upon the reliability with which they are used. Correct and consistent use of methods can result in lower failure rates.

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Table 1: Percentage of Women Experiencing an Unintended Pregnancy During the First Year of Typical Use and the First Year of Perfect Use of Contraception and the Percentage Continuing Use at the End of the First Year. United States. % of Women Experiencing an % of Women Unintended Pregnancy Continuing Use within the First Year of Use at One Year 3 Method Typical Use 1 Perfect Use 2 (1) (2) (3) (4)

Chance 4 85 85 Spermicides 5 26 6 40
Periodic abstinence 25 63 Calendar 9
Ovulation Method 3 Sympto-Thermal 6 2
Post-Ovulation 1 Cap 7
Parous Women 40 26 42 Nulliparous Women 20 9 56
Sponge Parous Women 40 20 42
Nulliparous Women 20 9 56 Diaphragm 7 20 6 56
Withdrawal 19 4 Condom 8
Female (Reality) 21 5 56 Male 14 3 61
Pill 5 71 Progestin Only 0.5
Combined 0.1 IUD
Progesterone T 2. 0 1.5 81 Copper T380A 0.8 0. 6 78
LNg 20 0.1 0. 1 81 Depo-Provera 0.3 0. 3 70
Norplant and Norplant-2 0.05 0.05 88 Female Sterilization 0.5 0. 5 100
Male Sterilization 0.15 0.10 100
Hatcher et al., 1998 Ref. #1.

Emergency Contraceptive Pills:

Treatment initiated within 72 hours after unprotected intercourse reduces the risk of pregnancy by at least 75%.

Lactational Amenorrhea Method:

LAM is highly effective, temporary method of contraception. 10 Source: Trussell J, Contraceptive efficacy. In Hatcher RA, Trussell J, Stewart F, Cates W, Stewart GK, Kowal D, Guest F, Contraceptive Technology: Seventeenth Revised Edition. New York NY: Irvington Publishers, 1998.

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