Approximately half of the 6.4 million pregnancies occurring each year in the
United States are unintended (Finer & Henshaw, 2006). Unintended pregnancies, defined
as pregnancies not wanted at the time conception occurs, regardless of contraceptive use
(Chandra, Martinez, Mosher, Abma, & Jones, 2005) can have serious repercussions on
women, children,...