PURPOSE The decline in U.S. adolescent fertility has accelerated since 2007. Modeling fertility change using behavioral data can inform adolescent pregnancy prevention efforts. METHODS We used data on sexual activity and contraceptive use from National Surveys of Family Growth for young women 15-19 years of age, and contraceptive failure rates, to estimate a Pregnancy Risk Index (PRI) for the...

BACKGROUND As emergency contraceptive pills (ECPs) become increasingly available through pharmacies, concerns about potential overuse of this product have emerged. In response, bridging women from ECPs to ongoing contraception was advanced as a solution. STUDY DESIGN We collected information in Ghanaian pharmacies on ECP users' sexual activity, use of contraceptive methods and reasons for buy...

There is some indication that oral contraceptive use may be associated with a small increase in risk of invasive breast cancer; however, oral contraceptive use in relation to breast carcinoma in situ (BCIS) has rarely been studied. We investigated oral contraceptive use in relation to risk of BCIS in a large population-based case-control study. Female residents of Wisconsin, Massachusetts, and ...

BACKGROUND Bangladesh has the highest rate of adolescent pregnancy in South Asia. Child marriage is one of the leading causes of pregnancies among adolescent girls. Although the country's contraceptive prevalence rate is quite satisfactory, only 52% of married adolescent girls use contraceptive methods. This qualitative study is aimed at exploring the factors that influence adolescent girls' de...

CONTEXT Half of all pregnancies in the United States are unintended. Of these, half occur to women who were practicing contraception in the month they conceived, and others occur when couples stop use because they find their method difficult or inconvenient to use. METHODS Data from the 1995 National Survey of Family Growth were used to compute life-table probabilities of contraceptive failur...

BACKGROUND AND METHODOLOGY Although modern family planning methods are readily available in Egypt at low cost, a considerable proportion of women still have an unmet contraceptive need. The aim of this study was to detect the risk factors of unmet contraceptive need among married women in the childbearing period in an underprivileged area in Cairo with high population density. A survey of 2340 ...

OBJECTIVE To examine the relationship between pregnancy history and the use of contraception among women of reproductive age (15-49 years) in East Africa. METHODS Demographic and Health Surveys data from Burundi (2010), Kenya (2008-2009), Rwanda (2010), Tanzania (2010) and Uganda (2011) were used in the analysis. Logistic regression was used to determine the effects of women's pregnancy histo...

BACKGROUND Efforts aimed at reducing maternal mortality as per the Millennium Development Goal 5 (MDG 5) include reducing early childbearing through increased adolescent contraceptive use. Despite a substantial attempt to study factors influencing adolescent contraceptive use in Sub-Saharan Africa (SSA), few studies have explored the role of community level characteristics on adolescent modern ...