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Isibloom TM (desogestrel and ethinyl estradiol tablets) are indicated for the prevention of pregnancy in women who elect to use oral contraceptives as a method of contraception. Oral contraceptives are highly effective. Table 1 lists the typical accidental pregnancy rates for users of combined 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 these methods can result in lower failure rates. In a clinical trial with desogestrel and ethinyl estradiol tablets, 1,195 subjects completed 11,656 cycles and a total of 10 pregnancies were reported. This represents an overall user-efficacy (typical user-efficacy) pregnancy rate of 1.12 per 100 women-years. This rate includes patients who did not take the drug correctly. 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 Unintended Pregnancy within the First Year of Use % of Women Continuing Use at One Year a Method (1) Typical Use b (2) Perfect Use c (3) (4) Chance f 85 85 Spermicides g 26 6 40 Periodic abstinence 25 63 Calendar 9 Ovulation Method 3 Sympto-Thermal h 2 Post-Ovulation 1 Withdrawal 19 4 Cap i Parous Women 40 26 42 Nulliparous …

Isibloom is contraindicated in females who are known to have or develop the following conditions: • Thrombophlebitis or thromboembolic disorders • A past history of deep vein thrombophlebitis or thromboembolic disorders • Known thrombophilic conditions • Cerebral vascular or coronary artery disease (current or history) • Valvular heart disease with complications • Persistent blood pressure values of ≥ 160 mm Hg systolic or ≥ 100 mg Hg diastolic 102 • Diabetes with vascular involvement • Headaches with focal neurological symptoms • Major surgery with prolonged immobilization • Current diagnosis of, or history of, breast cancer, which may be hormone sensitive • Carcinoma of the endometrium or other known or suspected estrogen-dependent neoplasia • Undiagnosed abnormal genital bleeding • Cholestatic jaundice of pregnancy or jaundice with prior pill use • Acute or chronic hepatocellular disease with abnormal liver function • Hepatic adenomas or carcinomas • Known or suspected pregnancy • …

Cigarette smoking increases the risk of serious cardiovascular events from combination oral contraceptive use. This risk increases with age, particularly in women over 35 years of age, and with the number of cigarettes smoked. For this reason, combination oral contraceptives, including desogestrel and ethinyl estradiol tablets, should not be used by women who are over 35 years of age and smoke. The use of oral contraceptives is associated with increased risks of several serious conditions including myocardial infarction, thromboembolism, stroke, hepatic neoplasia, and gallbladder disease, although the risk of serious morbidity or mortality is very small in healthy women without underlying risk factors. The risk of morbidity and mortality increases significantly in the presence of other underlying risk factors such as hypertension, hyperlipidemias, obesity and diabetes. Practitioners prescribing oral contraceptives should be familiar with the following information relating to these risks. The information contained in this package insert is principally based on studies carried out in patients who used oral contraceptives with formulations of higher doses of estrogens and progestogens than those in common use today. The effect of long term use of the oral contraceptives with formulations of lower doses of both estrogens and progestogens remains to be determined. Throughout this labeling, epidemiological studies reported are of two types: retrospective or case control studies …

11. Pregnancy Pregnancy Category X See CONTRAINDICATIONS and WARNINGS .