Published in Contraception on July 24, 2008
Contraceptive failure in the United States. Contraception (2011) 6.23
Cost effectiveness of contraceptives in the United States. Contraception (2008) 4.71
Use of combined oral contraceptives and risk of venous thromboembolism: nested case-control studies using the QResearch and CPRD databases. BMJ (2015) 4.29
Family planning and the burden of unintended pregnancies. Epidemiol Rev (2010) 2.46
Disparities in family planning. Am J Obstet Gynecol (2010) 1.94
Burden of unintended pregnancy in the United States: potential savings with increased use of long-acting reversible contraception. Contraception (2012) 1.62
Contraceptive practices and attitudes among immigrant and nonimmigrant women in Canada. Can Fam Physician (2013) 1.44
Long-acting reversible contraception for adolescents and young adults: patient and provider perspectives. J Pediatr Adolesc Gynecol (2012) 1.37
Contraceptive decision-making in sexual relationships: young men's experiences, attitudes and values. Cult Health Sex (2010) 1.10
Evidence-based IUD practice: family physicians and obstetrician-gynecologists. Fam Med (2012) 1.10
Continuation of prescribed compared with over-the-counter oral contraceptives. Obstet Gynecol (2011) 1.09
Using Longitudinal Data to Understand Changes in Consistent Contraceptive Use. Perspect Sex Reprod Health (2015) 1.08
Effect of prospectively measured pregnancy intentions on the consistency of contraceptive use among young women in Michigan. Hum Reprod (2012) 0.96
Exploring young adults' contraceptive knowledge and attitudes: disparities by race/ethnicity and age. Womens Health Issues (2014) 0.96
A new combination of testosterone and nestorone transdermal gels for male hormonal contraception. J Clin Endocrinol Metab (2012) 0.93
Achieving cost-neutrality with long-acting reversible contraceptive methods. Contraception (2014) 0.90
Cost-effectiveness analysis of levonorgestrel-releasing intrauterine system (LNG-IUS) 13.5 mg in contraception. Contraception (2014) 0.90
A qualitative analysis of approaches to contraceptive counseling. Perspect Sex Reprod Health (2014) 0.90
Counseling and provision of long-acting reversible contraception in the US: national survey of nurse practitioners. Prev Med (2013) 0.88
What differentiates method stoppers from switchers? Contraceptive discontinuation and switching among Honduran women. Int Perspect Sex Reprod Health (2011) 0.88
Complications and continuation of intrauterine device use among commercially insured teenagers. Obstet Gynecol (2013) 0.87
Characteristics associated with suppression of spermatogenesis in a male hormonal contraceptive trial using testosterone and Nestorone(®) gels. Andrology (2013) 0.85
Contraceptive counseling: best practices to ensure quality communication and enable effective contraceptive use. Clin Obstet Gynecol (2014) 0.84
Acceptability of a transdermal gel-based male hormonal contraceptive in a randomized controlled trial. Contraception (2014) 0.81
Disparities in abortion rates: a public health approach. Am J Public Health (2013) 0.81
Prospective study of weight change in new adolescent users of DMPA, NET-EN, COCs, nonusers and discontinuers of hormonal contraception. Contraception (2010) 0.80
Cost of unintended pregnancy in Norway: a role for long-acting reversible contraception. J Fam Plann Reprod Health Care (2014) 0.79
Bringing patients' social context into the examination room: an investigation of the discussion of social influence during contraceptive counseling. Womens Health Issues (2014) 0.77
Male hormonal contraception: looking back and moving forward. Andrology (2015) 0.76
Sporadic contraceptive use and nonuse: age-specific prevalence and associated factors. Am J Obstet Gynecol (2014) 0.76
Pharmacy claims data versus patient self-report to measure contraceptive method continuation. Contraception (2015) 0.75
Effects of relationship context on contraceptive use among young women. Contraception (2016) 0.75
Black-White Differences in Sex and Contraceptive Use Among Young Women. Demography (2016) 0.75
Peri-abortion contraceptive choices of migrant Chinese women: a retrospective review of medical records. PLoS One (2012) 0.75
Reducing unintended pregnancies: a microsimulation of contraceptive switching, discontinuation, and failure patterns in france. Stud Fam Plann (2014) 0.75
Continuation rates and complications of intrauterine contraception in women diagnosed with bipolar disorder. Obstet Gynecol (2011) 0.75
Contraception Use among Egyptian Women: Results from Egypt Demographic and Health Survey in 2005. J Reprod Infertil (2012) 0.75
The Complexity of Multiple Contraceptive Method Use and the Anxiety That Informs It: Implications for Theory and Practice. Arch Sex Behav (2016) 0.75
Racial and ethnic disparities in contraceptive knowledge among women veterans in the ECUUN study. Contraception (2017) 0.75
Perfect-use and typical-use Pearl Index of a contraceptive mobile app. Contraception (2017) 0.75
Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. analysis and examples. Br J Cancer (1977) 53.23
Disparities in rates of unintended pregnancy in the United States, 1994 and 2001. Perspect Sex Reprod Health (2006) 16.75
Use of contraception and use of family planning services in the United States: 1982-2002. Adv Data (2004) 4.60
Estimates of contraceptive failure from the 2002 National Survey of Family Growth. Contraception (2007) 4.16
Factors associated with contraceptive use and nonuse, United States, 2004. Perspect Sex Reprod Health (2007) 3.65
Factors associated with contraceptive choice and inconsistent method use, United States, 2004. Perspect Sex Reprod Health (2008) 3.54
Underreporting of induced and spontaneous abortion in the United States: an analysis of the 2002 National Survey of Family Growth. Stud Fam Plann (2007) 3.03
Contraceptive failure, method-related discontinuation and resumption of use: results from the 1995 National Survey of Family Growth. Fam Plann Perspect (1999) 2.83
Contraceptive failure in the United States: estimates from the 1982 National Survey of Family Growth. Fam Plann Perspect (1987) 1.39
Sexual behaviour in context: a global perspective. Lancet (2006) 7.38
Induced abortion: incidence and trends worldwide from 1995 to 2008. Lancet (2012) 5.45
Induced abortion: estimated rates and trends worldwide. Lancet (2007) 4.72
Unsafe abortion: the preventable pandemic. Lancet (2006) 4.61
Explaining recent declines in adolescent pregnancy in the United States: the contribution of abstinence and improved contraceptive use. Am J Public Health (2006) 4.25
Estimates of contraceptive failure from the 2002 National Survey of Family Growth. Contraception (2007) 4.16
Factors associated with contraceptive use and nonuse, United States, 2004. Perspect Sex Reprod Health (2007) 3.65
Trends in contraceptive need and use in developing countries in 2003, 2008, and 2012: an analysis of national surveys. Lancet (2013) 3.23
Underreporting of induced and spontaneous abortion in the United States: an analysis of the 2002 National Survey of Family Growth. Stud Fam Plann (2007) 3.03
Intended and unintended pregnancies worldwide in 2012 and recent trends. Stud Fam Plann (2014) 2.74
Recommendations for standardization of data collection and analysis of bleeding in combined hormone contraceptive trials. Contraception (2006) 2.32
Noncoital sexual activities among adolescents. J Adolesc Health (2008) 2.28
Population effect of increased access to emergency contraceptive pills: a systematic review. Obstet Gynecol (2007) 2.28
Types of combined oral contraceptives used by US women. Contraception (2012) 2.17
Cost-effectiveness of increased access to emergency contraceptive pills: probably not. Contraception (2013) 2.13
Family planning as a cost-saving preventive health service. N Engl J Med (2011) 2.11
Statement on combined hormonal contraceptives containing third- or fourth-generation progestogens or cyproterone acetate, and the associated risk of thromboembolism. J Fam Plann Reprod Health Care (2013) 2.07
The efficacy of intrauterine devices for emergency contraception: a systematic review of 35 years of experience. Hum Reprod (2012) 2.05
Embracing post-fertilisation methods of family planning: a call to action. J Fam Plann Reprod Health Care (2013) 2.04
Rates of serious infection after changes in regimens for medical abortion. N Engl J Med (2009) 1.97
Economic analysis of contraceptives for women. Contraception (2003) 1.90
Adolescents' views of and preferences for sexual and reproductive health services in Burkina Faso, Ghana, Malawi and Uganda. Afr J Reprod Health (2007) 1.87
Determinants of demand: method selection and provider preference among US women seeking abortion services. Contraception (2008) 1.83
Communicating contraceptive effectiveness: A randomized controlled trial to inform a World Health Organization family planning handbook. Am J Obstet Gynecol (2006) 1.80
Determinants of and disparities in reproductive health service use among adolescent and young adult women in the United States, 2002-2008. Am J Public Health (2011) 1.72
Bleeding patterns after use of levonorgestrel emergency contraceptive pills. Contraception (2005) 1.69
U.S. women's one-year contraceptive use patterns, 2004. Perspect Sex Reprod Health (2007) 1.67
Virginity lost, satisfaction gained? Physiological and psychological sexual satisfaction at heterosexual debut. J Sex Res (2010) 1.67
Sexual behavior, knowledge and information sources of very young adolescents in four sub-Saharan African countries. Afr J Reprod Health (2007) 1.65
Timing of steps and reasons for delays in obtaining abortions in the United States. Contraception (2006) 1.64
Reducing unintended pregnancy in the United States. Contraception (2007) 1.64
The public costs of births resulting from unintended pregnancies: national and state-level estimates. Perspect Sex Reprod Health (2011) 1.61
Pleasure, prophylaxis and procreation: a qualitative analysis of intermittent contraceptive use and unintended pregnancy. Perspect Sex Reprod Health (2008) 1.59
Estimating the incidence of abortion in Pakistan. Stud Fam Plann (2007) 1.58
Characteristics of women in the United States who use long-acting reversible contraceptive methods. Obstet Gynecol (2011) 1.53
A, B and C in Uganda: the roles of abstinence, monogamy and condom use in HIV decline. Reprod Health Matters (2004) 1.52
A comparison of contraceptive procurement pre- and post-benefit change. Contraception (2007) 1.52
Validation of a rapid equilibrium dialysis approach for the measurement of plasma protein binding. J Pharm Sci (2008) 1.50
Changes in formal sex education: 1995-2002. Perspect Sex Reprod Health (2006) 1.50
Caring for women with abortion complications in Ethiopia: national estimates and future implications. Int Perspect Sex Reprod Health (2010) 1.49
Unwanted pregnancy and associated factors among Nigerian women. Int Fam Plan Perspect (2006) 1.47
UIF, a New mRNA export adaptor that works together with REF/ALY, requires FACT for recruitment to mRNA. Curr Biol (2009) 1.45
[Estimating the incidence of induced abortion. Response to the criticism to the methodology used by the Guttmacher Institute]. Ginecol Obstet Mex (2012) 1.45
Reasons U.S. women have abortions: quantitative and qualitative perspectives. Perspect Sex Reprod Health (2005) 1.45
Mechanism of action of emergency contraceptive pills. Contraception (2006) 1.44
Effectiveness of medical abortion with mifepristone and buccal misoprostol through 59 gestational days. Contraception (2009) 1.41
Dry cotton or flocked respiratory swabs as a simple collection technique for the molecular detection of respiratory viruses using real-time NASBA. J Virol Methods (2008) 1.39
No such thing as an easy (or EC) fix. Contraception (2008) 1.38
Severity and cost of unsafe abortion complications treated in Nigerian hospitals. Int Fam Plan Perspect (2008) 1.37
Contraceptive discontinuation attributed to method dissatisfaction in the United States. Contraception (2007) 1.32
Extending the time limit for starting the Yuzpe regimen of emergency contraception to 120 hours. Obstet Gynecol (2003) 1.30
Oral contraceptive tolerance: does the type of pill matter? Obstet Gynecol (2007) 1.29
Factors associated with the content of sex education in U.S. public secondary schools. Perspect Sex Reprod Health (2004) 1.27
The incidence of induced abortion in Malawi. Int Perspect Sex Reprod Health (2013) 1.27
Unintended pregnancy rates at the state level. Perspect Sex Reprod Health (2011) 1.24
Legal abortion worldwide: incidence and recent trends. Int Fam Plan Perspect (2007) 1.20
Patterns of contraceptive use before and after an abortion: results from a nationally representative survey of women undergoing an abortion in France. Contraception (2010) 1.19
Estimates of health care system costs of unsafe abortion in Africa and Latin America. Int Perspect Sex Reprod Health (2009) 1.14
Combined hormonal contraceptive trials: variable data collection and bleeding assessment methodologies influence study outcomes and physician perception. Contraception (2006) 1.14
The impact of pharmacy access to emergency contraceptive pills in France. Contraception (2006) 1.13
Exploring staff attitudes to routine HIV testing in non-traditional settings: a qualitative study in four healthcare facilities. Sex Transm Infect (2012) 1.12
Young women's consistency of contraceptive use--does depression or stress matter? Contraception (2013) 1.12
Estimates of induced abortion in Mexico: what's changed between 1990 and 2006? Int Fam Plan Perspect (2008) 1.11
Health consequences of unsafe abortion in Colombia, 1989-2008. Int J Gynaecol Obstet (2012) 1.11
Discouraging trends in reproductive health service use among adolescent and young adult women in the USA, 2002-2008. Hum Reprod (2011) 1.11
Legal abortion worldwide in 2008: levels and recent trends. Int Perspect Sex Reprod Health (2011) 1.11
Social stigma and disclosure about induced abortion: results from an exploratory study. Glob Public Health (2011) 1.09
The health system cost of postabortion care in Ethiopia. Int J Gynaecol Obstet (2012) 1.09
Efficacy of interventions to improve motor development in young children: a systematic review. Pediatrics (2009) 1.08
Role of young women's depression and stress symptoms in their weekly use and nonuse of contraceptive methods. J Adolesc Health (2013) 1.08
Incidence of induced abortion by age and state, Mexico, 2009: new estimates using a modified methodology. Int Perspect Sex Reprod Health (2012) 1.08
Overstating the cost savings from contraceptive use. Eur J Contracept Reprod Health Care (2008) 1.06
Menstrual regulation, unsafe abortion, and maternal health in Bangladesh. Issues Brief (Alan Guttmacher Inst) (2012) 1.06
Legal abortion levels and trends by woman's age at termination. Perspect Sex Reprod Health (2013) 1.05
Factors associated with abortion-seeking and obtaining a safe abortion in Ghana. Stud Fam Plann (2012) 1.05
Images of American sexuality in debates over nonprescription access to emergency contraceptive pills. Obstet Gynecol (2006) 1.05
Variation in state unintended pregnancy rates in the United States. Perspect Sex Reprod Health (2012) 1.05
Medicaid policy on sterilization--anachronistic or still relevant? N Engl J Med (2014) 1.04
The health system cost of post-abortion care in Uganda. Health Policy Plan (2012) 1.04
Induced abortion in Colombia: new estimates and change between 1989 and 2008. Int Perspect Sex Reprod Health (2011) 1.04
Male circumcision for HIV prevention: clinical practices and attitudes among healthcare providers in South Africa and Zimbabwe. Sex Transm Dis (2012) 1.03
Religious differentials in the sexual and reproductive behaviors of young women in the United States. J Adolesc Health (2005) 1.03
Reproductive health, the Arab world and the internet: usage patterns of an Arabic-language emergency contraception web site. Contraception (2005) 1.02
Contraception: an investment in lives, health and development. Issues Brief (Alan Guttmacher Inst) (2008) 1.02
Legal abortion worldwide in 2008: levels and recent trends. Perspect Sex Reprod Health (2011) 1.01
The risk of pregnancy after vasectomy. Obstet Gynecol (2004) 1.00
Potential unintended pregnancies averted and cost savings associated with a revised Medicaid sterilization policy. Contraception (2013) 0.99
Significant adverse events and outcomes after medical abortion. Obstet Gynecol (2013) 0.99
Validating the prediction of lower urinary tract infection in primary care: sensitivity and specificity of urinary dipsticks and clinical scores in women. Br J Gen Pract (2010) 0.98
Trends in abortion in the United States. Clin Obstet Gynecol (2009) 0.98
Occipital condyle fractures: incidence and clinical follow-up at a level 1 trauma centre. Emerg Radiol (2009) 0.97
Premenstrual syndrome prevalence and fluctuation over time: results from a French population-based survey. J Womens Health (Larchmt) (2009) 0.97
Understanding risk: a randomized controlled trial of communicating contraceptive effectiveness. Obstet Gynecol (2003) 0.97
Minimum effectiveness of the levonorgestrel regimen of emergency contraception. Contraception (2004) 0.96
Legal abortion worldwide: incidence and recent trends. Perspect Sex Reprod Health (2007) 0.96
Sexual satisfaction and sexual health among university students in the United States. Am J Public Health (2011) 0.96
Ectopic pregnancy and emergency contraceptive pills: a systematic review. Obstet Gynecol (2010) 0.96