The total number of pregnancies in 2009 was
about 6.3 million, which resulted in 4.1 million live births, 1.1 million
induced abortions and 1.1 million pregnancy losses, according to the report.
The U.S. pregnancy rate has fallen almost
continuously over the last decade, and reached a 12-year low in 2009, according to a new government report.
Women ages 25 to 29 had the highest pregnancy rate, which represents a change from earlier years: In 1990 and 2000, the pregnancy rate was highest for women ages 20 to 24. [9 Uncommon Conditions That Pregnancy May Bring]
The exception to trend of the generally declining pregnancy rate was women over 30; in this group, the pregnancy rate increased over the study period.
The age group with the biggest decline in pregnancy rate was 15- to 17-year-olds, for which the pregnancy rate dropped 53 percent, and reached a new
historic low in 2009.