unintended pregnancy definition
Overview: Unintended Pregnancy. An unintended pregnancy is defined by the Centers for Disease Control and Prevention (CDC) as a mistimed, unplanned, or unwanted pregnancy at the time of conception. In the United States, 49% of pregnancies were unintended. In 2006, among women aged 19 years and younger, more than 4 out of 5 pregnancies were unintended.