CONTEXT: Pregnancies among contraceptive users account for nearly half of all unintended
pregnancies and are almost entirely due to inconsistent or incorrect contraceptive use …

CONTEXT: Unintended pregnancies occur far too often in the United States, and half occur
when couples fail to practice contraception. Improved measures of the continuity of women's …

CONTEXT: Each year, nearly one in four US women at risk of unintended pregnancy
experience one or more months of contraceptive nonuse. Understanding what factors are …

OBJECTIVE: The purpose of this study is to provide insight on the continuing high rate of
unintended pregnancy among adult women. STUDY DESIGN: Contracepting women were …

CONTEXT: Knowing the extent to which contraceptive nonuse, incorrect or inconsistent use,
and method failure account for unintended pregnancies ending in abortion, as well as …

Context: An understanding of determinants of inconsistent pill-taking could be useful to
service providers who are trying to help women prevent unwanted pregnancy. This article …

STUDY QUESTION What is the predictive value of pregnancy intentions on contraceptive
behaviours among women aged 18–19? SUMMARY ANSWER Women aged 18–19 have …

The 80 million unintended pregnancies that occur worldwide each year (38% of all
pregnancies) can justifiably be deemed an “epidemic.” These pregnancies result in 42 …

Context: Measures of contraceptive use at one point in time do not account for its changing
nature. A measure that addresses the pattern of method use over time may better predict the …

Objective Past studies indicate that despite a wide range of contraceptive options, Canadian
women tend to use a narrow selection of contraceptive methods. New contraceptive …