Estimated pregnancy rates for the United States, 1990-2000: an update.

OBJECTIVES This report presents detailed pregnancy rates for 1990-2000, updating a national series of rates extending since 1976. METHODS Tabular data on pregnancy rates by age, race, and Hispanic origin, and by marital status are presented and briefly described. RESULTS In 2000 an estimated 6,401,000 pregnancies resulted in 4.06 million live births, 1.31 million induced abortions, and 1.03 million fetal losses. The 2000 pregnancy rate of 104.0 pregnancies per 1,000 women aged 15-44 years is 10 percent lower than the 1990 peak of 115.6. The teenage pregnancy rate dropped 27 percent during 1990-2000, reaching an historic low of 84.5 pregnancies per 1,000 women aged 15-19 years. Rates for younger teenagers declined relatively more than for older teenagers.