This study examines the effect of contraceptive knowledge on fertility during the period when Taiwan's family planning programs were in effect. This study contributes to previous studies by directly measuring individual's contraceptive knowledge and fertility, as well as applying an instrumental variable approach to gauge the effect of contraceptive knowledge on fertility. The results indicate ...

OBJECTIVE Researchers traditionally rely on participant self-report for contraceptive use. We hypothesized that self-reported contraceptive use by clinical research participants may disagree with objectively measured hormonal status. STUDY DESIGN We enrolled women in Harare, Zimbabwe, aged 18-34, who by self-report had not used hormonal or intrauterine contraception for >30 days, or depot med...

BACKGROUND Women who live in remote rural areas encounter different challenges against contraception and often deny the use of modern contraceptive methods. The predictors of modern contraceptive utilization by pastoralist women in the Bale eco-region could be specific and are not well known. Therefore, this study aims to assess modern contraceptive utilization and its determinants among marrie...

BACKGROUND Factors influencing contraceptive use and non-use among women of advanced reproductive age have been insufficiently researched in Nigeria. This study examines factors influencing contraceptive use and non-use among women of advanced reproductive age in Nigeria. METHODS Secondary data were pooled and extracted from 2008 and 2013 Nigeria Demographic and Health Surveys (NDHS). The wei...

ABSTRACT
 Background: Unintended pregnancy is a major public health concern due to its impact on maternal morbidity and mortality. Contraceptive failure one of the causes unintended pregnancy. Data factors associated with contraceptive method scarce. This study therefore aimed determine proportions for various methods it.
 Methodology: Unmatched case-control was conducted at five Leve...

contraceptive patches have become a frequently used contraceptive method. we present a mathematical model that describes the serum concentration profiles of norelgestromin (ngmn) and ethinylestradiol (ee) released from the contraceptive patch ortho evra®. we propose a simple one-compartment model based on pharmacokinetics data reported in previous studies. the model assumes a time-dependent rel...

INTRODUCTION In Ethiopia, knowledge of contraceptive methods is high though there is low contraceptive prevalence rate. This study was aimed to assess prevalence and associated factors of long acting and permanent contraceptive methods in Jinka town, southern Ethiopia. METHODS Community based cross sectional survey was conducted to assess the prevalence and factors affecting long acting and p...

CONTEXT In time, microbicides may provide women with dual prevention against pregnancy and STDs. Although several microbicide dimensions have been evaluated, little is known about women's preferences for contraceptive microbicides and correlates of these preferences. METHODS Acceptability of a hypothetical contraceptive microbicide cream or jelly was examined among a -clinic-based sample of 2...

OBJECTIVES We explored the relative contributions of declining sexual activity and improved contraceptive use to the recent decline in adolescent pregnancy rates in the United States. METHODS We used data from 1995 and 2002 for women 15 to 19 years of age to develop 2 indexes: the contraceptive risk index, summarizing the overall effectiveness of contraceptive use among sexually active adoles...