Effects of initiating a contraceptive implant on subsequent condom use: A randomized controlled trial.

[1]  Susheela Singh,et al.  Intended and unintended pregnancies worldwide in 2012 and recent trends. , 2014, Studies in family planning.

[2]  J. Cecatti,et al.  The burden of unintended pregnancies in Brazil: a social and public health system cost analysis , 2014, International journal of women's health.

[3]  K. Carey,et al.  Dual method use among a sample of first-year college women. , 2014, Perspectives on sexual and reproductive health.

[4]  J. Zenilman,et al.  Detection of two biological markers of intercourse: prostate-specific antigen and Y-chromosomal DNA. , 2013, Contraception.

[5]  C. Black,et al.  Optimal methods for collecting and storing vaginal specimens for prostate-specific antigen testing in research studies. , 2013, Contraception.

[6]  K. Curtis,et al.  Use of a checklist to rule out pregnancy: a systematic review. , 2013, Contraception.

[7]  J. Fortenberry,et al.  Dual use of long-acting reversible contraceptives and condoms among adolescents. , 2013, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

[8]  J. Trussell,et al.  Burden of unintended pregnancy in the United States: potential savings with increased use of long-acting reversible contraception. , 2013, Contraception.

[9]  M. Hobbs,et al.  Randomized Controlled Trial on the Effectiveness of Counseling Messages for Avoiding Unprotected Sexual Intercourse During Sexually Transmitted Infection and Reproductive Tract Infection Treatment Among Female Sexually Transmitted Infection Clinic Patients , 2013, Sexually transmitted diseases.

[10]  T. Raine,et al.  With pills, patches, rings, and shots: who still uses condoms? A longitudinal cohort study. , 2012, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

[11]  L. Finer,et al.  Changes in use of long-acting contraceptive methods in the United States, 2007-2009. , 2012, Fertility and sterility.

[12]  F. Ram,et al.  Determinants of unwanted pregnancies in India using matched case-control designs , 2012, BMC Pregnancy and Childbirth.

[13]  J. Peipert,et al.  Effectiveness of long-acting reversible contraception. , 2012, The New England journal of medicine.

[14]  J. Peipert,et al.  Correlates of Dual-Method Contraceptive Use: An Analysis of the National Survey of Family Growth (2006–2008) , 2012, Infectious diseases in obstetrics and gynecology.

[15]  L. Warner,et al.  Do Women Using Long-Acting Reversible Contraception Reduce Condom Use? A Novel Study Design Incorporating Semen Biomarkers , 2011, Infectious diseases in obstetrics and gynecology.

[16]  Susheela Singh,et al.  Unintended pregnancy: worldwide levels, trends, and outcomes. , 2010, Studies in family planning.

[17]  D. Moher,et al.  CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials , 2010, Journal of clinical epidemiology.

[18]  Michael R. Kramer,et al.  Condoms for Dual Protection: Patterns of Use with Highly Effective Contraceptive Methods , 2010, Public health reports.

[19]  M. Hobbs,et al.  Good Performance of Rapid Prostate-Specific Antigen Test for Detection of Semen Exposure in Women: Implications for Qualitative Research , 2009, Sexually transmitted diseases.

[20]  D. Grimes,et al.  Social desirability bias in family planning studies: a neglected problem. , 2009, Contraception.

[21]  A. Glasier.  Should Healthcare Professionals Be Advocating Long-Acting Reversible Contraception? , 2009, Women's health.

[22]  C. Harper,et al.  The potential of long-acting reversible contraception to decrease unintended pregnancy. , 2008, Contraception.

[23]  S. Noar,et al.  Condom Use Measurement in 56 Studies of Sexual Risk Behavior: Review and Recommendations , 2006, Archives of sexual behavior.

[24]  I. Mavranezouli,et al.  Long-acting reversible contraceptives: not only effective, but also a cost-effective option for the National Health Service , 2006, Journal of Family Planning and Reproductive Health Care.

[25]  Sin-Ho Jung,et al.  Sample size for a two‐group comparison of repeated binary measurements using GEE , 2005, Statistics in medicine.

[26]  M. A. Sayegh,et al.  The developmental association of relationship quality, hormonal contraceptive choice and condom non-use among adolescent women. , 2005, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

[27]  W. Cates,et al.  Dual protection against unintended pregnancy and sexually transmitted infections: what is the best contraceptive approach? , 2002, Sexually transmitted diseases.

[28]  J. Guillebaud,et al.  Medical eligibility criteria for contraceptive use , 2018, Advanced Health Assessment of Women.

[29]  P. Darney,et al.  Condom practices of urban teens using Norplant contraceptive implants, oral contraceptives, and condoms for contraception. , 1999, American journal of obstetrics and gynecology.

[30]  G. Hortin,et al.  Prostate-specific antigen in vaginal fluid as a biologic marker of condom failure. , 1999, Contraception.

[31]  C. Roye.  Condom use by Hispanic and African-American adolescent girls who use hormonal contraception. , 1998, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

[32]  G. Hortin,et al.  Objective Markers of Condom Failure , 1998, Sexually transmitted diseases.

[33]  S. Heartwell,et al.  Condom use among women choosing long-term hormonal contraception. , 1998, Family planning perspectives.

[34]  R. Kaufmann,et al.  Comparison of two question sequences for assessing pregnancy intentions. , 1997, American journal of epidemiology.

[35]  A. Berenson,et al.  Use of levonorgestrel implants versus oral contraceptives in adolescence: a case-control study. , 1995, American journal of obstetrics and gynecology.

[36]  J. Santelli,et al.  Combined use of condoms with other contraceptive methods among inner-city Baltimore women. , 1995, Family planning perspectives.

[37]  G. Slap,et al.  The Use of Levonorgestrel Implants (Norplant) for Contraception in Adolescent Mothers , 1994 .

[38]  J. Catania,et al.  Methodological problems in AIDS behavioral research: influences on measurement error and participation bias in studies of sexual behavior. , 1990, Psychological bulletin.

[39]  M. Leclercq,et al.  An enzyme immunoassay for prostate-specific p30 antigen detection in the postcoital vaginal tract. , 1989, Journal - Forensic Science Society.

[40]  G. Sensabaugh,et al.  Postcoital detection of a male-specific semen protein. Application to the investigation of rape. , 1985, The New England journal of medicine.

[41]  P. Blumenthal,et al.  Strategies to prevent unintended pregnancy: increasing use of long-acting reversible contraception. , 2011, Human reproduction update.

[42]  S. Lagakos,et al.  Methodological challenges in biomedical HIV prevention trials. , 2008 .