Laureen M Lopez

Summary

Publications

  1. pmc Progestin-only contraceptives: effects on weight
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
  2. doi request reprint Strategies for communicating contraceptive effectiveness
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
  3. doi request reprint Hormonal contraceptives for contraception in overweight or obese women
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
  4. doi request reprint Behavioral interventions for improving contraceptive use among women living with HIV
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
  5. doi request reprint Immediate start of hormonal contraceptives for contraception
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev 12:CD006260. 2012
  6. doi request reprint Steroidal contraceptives and bone fractures in women: evidence from observational studies
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
  7. doi request reprint Education for contraceptive use by women after childbirth
    Laureen M Lopez
    Clinical Sciences, FHI 360, P O Box 13950, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
  8. doi request reprint Steroidal contraceptives: effect on carbohydrate metabolism in women without diabetes mellitus
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
  9. doi request reprint Oral contraceptives containing drospirenone for premenstrual syndrome
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
  10. pmc Progestin-only contraceptives: effects on weight
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev . 2016

Detail Information

Publications54

  1. pmc Progestin-only contraceptives: effects on weight
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
    ..Many POCs are long-acting, cost-effective methods of preventing pregnancy. However, concern about weight gain can deter the initiation of contraceptives and cause early discontinuation among users...
  2. doi request reprint Strategies for communicating contraceptive effectiveness
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
    ..The consumer has to comprehend the pros and cons of the contraceptive methods being considered. Choice may be influenced by understanding the likelihood of pregnancy with each method and factors that influence effectiveness...
  3. doi request reprint Hormonal contraceptives for contraception in overweight or obese women
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
    ..We systematically reviewed the evidence on the effectiveness of hormonal contraceptives among overweight and obese women...
  4. doi request reprint Behavioral interventions for improving contraceptive use among women living with HIV
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2013
    ..This review examines behavioral interventions to improve contraceptive use, for family planning, among women who are HIV-positive...
  5. doi request reprint Immediate start of hormonal contraceptives for contraception
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev 12:CD006260. 2012
    ..The immediate-start approach may improve women's access to, and continuation of, hormonal contraception...
  6. doi request reprint Steroidal contraceptives and bone fractures in women: evidence from observational studies
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..Concern about fractures may limit the use of these effective contraceptives. Observational studies can collect data on premenopausal contraceptive use as well as fracture incidence later in life...
  7. doi request reprint Education for contraceptive use by women after childbirth
    Laureen M Lopez
    Clinical Sciences, FHI 360, P O Box 13950, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..Nonetheless, two-thirds of postpartum women may have unmet needs for contraception. In the USA, many adolescents become pregnant again within a year a giving birth...
  8. doi request reprint Steroidal contraceptives: effect on carbohydrate metabolism in women without diabetes mellitus
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..These issues have been raised primarily with contraceptives containing estrogen...
  9. doi request reprint Oral contraceptives containing drospirenone for premenstrual syndrome
    Laureen M Lopez
    Clinical Sciences, FHI 360, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..An oral contraceptive containing drospirenone and a low estrogen dose has been approved for treating PMDD in women who choose oral contraceptives for contraception...
  10. pmc Progestin-only contraceptives: effects on weight
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev . 2016
    ..Many POCs are long-acting, cost-effective methods of preventing pregnancy. However, concern about weight gain can deter the initiation of contraceptives and cause early discontinuation among users...
  11. doi request reprint Hormonal contraceptives for contraception in overweight or obese women
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev . 2016
    ..Given the prevalence of overweight and obesity, the public health impact of any effect on contraceptive efficacy could be substantial...
  12. ncbi request reprint Theory-based interventions for contraception
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 11:CD007249. 2016
    ..The health behavior field uses many theories or models of change. However, many educational interventions addressing contraception have no explicit theoretical base...
  13. doi request reprint Behavioral interventions for improving contraceptive use among women living with HIV
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev . 2016
    ..Behavioral interventions, involving counseling or education, can help women choose and use an appropriate contraceptive method...
  14. doi request reprint Steroid hormones for contraception in men
    David A Grimes
    Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..Administration of sex steroids to men can shut off sperm production through effects on the pituitary and hypothalamus. However, this approach also decreases production of testosterone, so 'add-back' therapy is needed...
  15. doi request reprint Behavioral interventions for improving condom use for dual protection
    Laureen M Lopez
    Clinical Sciences, FHI 360, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 10:CD010662. 2013
    ..The male condom is one of the oldest contraceptive methods and the earliest method for preventing the spread of HIV. When used correctly and consistently, condoms can provide dual protection, i.e., against both pregnancy and HIV/STI...
  16. doi request reprint Spermicide used alone for contraception
    David A Grimes
    Obstetrics and Gynecology, University of North Carolina, School of Medicine, CB 7570, Chapel Hill, North Carolina, USA, 27599 7570
    Cochrane Database Syst Rev 9:CD005218. 2013
    ..Spermicides contain an active ingredient (most commonly nonoxynol-9) and a formulation used to disperse the product, such as foam or vaginal suppository...
  17. doi request reprint Strategies to improve adherence and acceptability of hormonal methods of contraception
    Vera Halpern
    Clinical Sciences, FHI 360, PO Box 13950, Research Triangle Park, North Carolina, USA, NC 27709
    Cochrane Database Syst Rev 10:CD004317. 2013
    ..Despite their high theoretical effectiveness, typical use results in much lower effectiveness. In large part, this disparity reflects difficulties in adherence to the contraceptive regimen and low rates for long-term continuation...
  18. doi request reprint Theory-based interventions for contraception
    Laureen M Lopez
    Clinical Sciences, FHI 360, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev . 2013
    ..The health behavior field uses many theories or models of change. However, educational interventions addressing contraception often have no stated theoretical base...
  19. doi request reprint Spermicide used alone for contraception
    David A Grimes
    Obstetrics and Gynecology, University of North Carolina, School of Medicine, CB 7570, Chapel Hill, North Carolina, USA, 27599 7570
    Cochrane Database Syst Rev 12:CD005218. 2013
    ..Spermicides contain an active ingredient (most commonly nonoxynol-9) and a formulation used to disperse the product, such as foam or vaginal suppository...
  20. doi request reprint Skin patch and vaginal ring versus combined oral contraceptives for contraception
    Laureen M Lopez
    Clinical Sciences, FHI 360, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 4:CD003552. 2013
    ..The transdermal patch and vaginal ring could require a lower dose due to increased bioavailability and improved user compliance...
  21. doi request reprint Progestin-only pills for contraception
    David A Grimes
    Obstetrics and Gynecology, University of North Carolina, School of Medicine, CB 7570, Chapel Hill, North Carolina, USA, 27599 7570
    Cochrane Database Syst Rev 11:CD007541. 2013
    ..How these pills compare to others in their class or to combined oral contraceptives is not clear...
  22. doi request reprint Steroidal contraceptives: effect on bone fractures in women
    Laureen M Lopez
    Clinical Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 6:CD006033. 2014
    ..Age-related decline in bone mass increases the risk of fracture, especially of the spine, hip, and wrist. Concern about bone health influences the recommendation and use of these effective contraceptives globally...
  23. doi request reprint Behavioral interventions for improving dual-method contraceptive use
    Laureen M Lopez
    Clinical Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 3:CD010915. 2014
    ..Millions of women, especially in lower-resource areas, also have an unmet need for protection against unintended pregnancy...
  24. pmc Sino-implant (II)--a levonorgestrel-releasing two-rod implant: systematic review of the randomized controlled trials
    Markus J Steiner
    Family Health International, Research Triangle Park, NC 27709, USA
    Contraception 81:197-201. 2010
    ..We examined randomized controlled trials of Sino-implant (II) for effectiveness and side effects...
  25. pmc Progestin-only contraceptives: effects on weight
    Laureen M Lopez
    Clinical Sciences, FHI, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 4:CD008815. 2011
    ..Many POCs are long-acting, cost-effective methods of preventing pregnancy. However, concern about weight gain can deter the initiation of contraceptives and cause early discontinuation among users...
  26. doi request reprint Hormonal and intrauterine methods for contraception for women aged 25 years and younger
    Jennifer H Tang
    Obstetrics and Gynecology, University of North Carolina, School ofMedicine, ChapelHill, North Carolina, USA
    Cochrane Database Syst Rev 11:CD009805. 2012
    ..Concern that adolescents and young women will not find hormonal or intrauterine contraceptives acceptable or effective might deter healthcare providers from recommending these contraceptive methods. ..
  27. doi request reprint Postpartum education for contraception: a systematic review
    Laureen M Lopez
    Behavioral and Biomedical Research, Family Health International, Research Triangle Park, NC 27709, USA
    Obstet Gynecol Surv 65:325-31. 2010
    ..The longer-term programs were promising and not necessarily more costly than usual care. Health care providers can determine if 1 of these interventions suits their setting and level of resources...
  28. ncbi request reprint Cochrane systematic reviews of IUD trials: lessons learned
    David A Grimes
    Family Health, International, P O Box 13950, Research Triangle Park, NC 27796, USA
    Contraception 75:S55-9. 2007
    ..Intrauterine devices (IUDs) are the most widely used reversible contraceptives in the world today, and decisions about their use should reflect the best available evidence...
  29. doi request reprint Theory-based interventions for contraception
    Laureen M Lopez
    Behavioral and Biomedical Research, Family Health International, P O Box 13950, Research Triangle Park, North Carolina 27709, USA
    Cochrane Database Syst Rev . 2009
    ..The health behavior field uses many theories or models of change. However, educational interventions addressing contraception often have no stated theoretical base...
  30. doi request reprint Oral contraceptives for functional ovarian cysts
    David A Grimes
    Behavioral and Biomedical Research, Family Health International, PO Box 13950, Research Triangle Park, North Carolina 27709, USA
    Cochrane Database Syst Rev . 2009
    ..This became a common clinical practice in the early 1970s...
  31. doi request reprint School-based interventions for improving contraceptive use in adolescents
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev . 2016
    ..Reasons vary by geography and regional politics and culture. The projected 2015 birth rate in 'developing' regions was 56 per 1000 compared with 17 per 1000 for 'developed' regions...
  32. doi request reprint Steroidal contraceptives: effect on bone fractures in women
    Laureen M Lopez
    Behavioral and Biomedical Research, Family Health International, P O Box 13950, Research Triangle Park, North Carolina 27709, USA
    Cochrane Database Syst Rev . 2009
    ..Age-related decline in bone mass increases the risk of fracture, especially of the spine, hip, and wrist. Concern about bone health influences the recommendation and use of these effective contraceptives globally...
  33. doi request reprint Brief educational strategies for improving contraception use in young people
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 3:CD012025. 2016
    ..In sub-Saharan Africa, the birth rate for those aged 15 to 19 years is 121 per 1000. In the USA, 6% of teens aged 15 to 19 years became pregnant in 2010. Most pregnancies among young women to age 25 are unintended...
  34. doi request reprint Interventions for pain with intrauterine device insertion
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 7:CD007373. 2015
    ..Interventions for pain control during IUC insertion include non-steroidal anti-inflammatory drugs (NSAIDs), local cervical anesthetics, and cervical ripening agents such as misoprostol...
  35. doi request reprint Education for contraceptive use by women after childbirth
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 7:CD001863. 2015
    ..Nonetheless, two-thirds of postpartum women have unmet needs for contraception. In the USA, many adolescents have repeat pregnancies within a year of giving birth...
  36. doi request reprint Steroidal contraceptives and bone fractures in women: evidence from observational studies
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 7:CD009849. 2015
    ..Concern about fractures may limit the use of these effective contraceptives. Observational studies can collect data on premenopausal contraceptive use as well as fracture incidence later in life...
  37. doi request reprint Combined hormonal versus nonhormonal versus progestin-only contraception in lactation
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 3:CD003988. 2015
    ..Immediately postpartum, most women have contact with a health professional, but many do not return for follow-up contraceptive counseling. However, immediate initiation of hormonal methods may disrupt the onset of milk production...
  38. doi request reprint Oral contraceptives for functional ovarian cysts
    David A Grimes
    Obstetrics and Gynecology, University of North Carolina, School of Medicine, CB 7570, Chapel Hill, North Carolina, USA, 27599 7570
    Cochrane Database Syst Rev 4:CD006134. 2014
    ..This became a common clinical practice in the early 1970s...
  39. doi request reprint Theory-based strategies for improving contraceptive use: a systematic review
    Laureen M Lopez
    Family Health International, Research Triangle Park, NC 27709, USA
    Contraception 79:411-7. 2009
    ..Theories and models help explain how behavior change occurs. We systematically reviewed randomized controlled trials that examined theory-based interventions for improving contraceptive use...
  40. ncbi request reprint Steroidal contraceptives: effect on bone fractures in women
    Laureen M Lopez
    Clinical Sciences, FHI, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 7:CD006033. 2011
    ..Age-related decline in bone mass increases the risk of fracture, especially of the spine, hip, and wrist. Concern about bone health influences the recommendation and use of these effective contraceptives globally...
  41. ncbi request reprint Theory-based interventions for contraception
    Laureen M Lopez
    Clinical Sciences, FHI, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 3:CD007249. 2011
    ..The health behavior field uses many theories or models of change. However, educational interventions addressing contraception often have no stated theoretical base...
  42. ncbi request reprint Skin patch and vaginal ring versus combined oral contraceptives for contraception
    Laureen M Lopez
    Behavioral and Biomedical Research, Family Health International, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 3:CD003552. 2010
    ..Ring users generally had fewer adverse events than COC users but more vaginal irritation and discharge. High losses to follow up can affect the validity of the results...
  43. doi request reprint Hormonal and intrauterine methods for contraception for women aged 25 years and younger
    Jamie Krashin
    Obstetrics and Gynecology, University of North Carolina, School of Medicine, 4012 Old Clinic Building, CB 7570, Chapel Hill, North Carolina, USA, 27599
    Cochrane Database Syst Rev 8:CD009805. 2015
    ..Concern that adolescents and young women will not find hormonal or intrauterine contraceptives acceptable or effective might deter healthcare providers from recommending these contraceptive methods...
  44. doi request reprint Repeated use of pre- and postcoital hormonal contraception for prevention of pregnancy
    Vera Halpern
    Clinical Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 9:CD007595. 2014
    ..We evaluated the existing data on safety and effectiveness of pericoital use of levonorgestrel and other hormonal drugs to prevent pregnancy...
  45. doi request reprint Strategies for improving postpartum contraceptive use: evidence from non-randomized studies
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 11:CD011298. 2014
    ..In earlier work, we found limited evidence of effectiveness from randomized trials on postpartum contraceptive counseling. For educational interventions, non-randomized studies may be conducted more often than randomized trials...
  46. doi request reprint Do clinical experts rely on the Cochrane library?
    David A Grimes
    Family Health International, Research Triangle Park, North Carolina 27709, USA
    Obstet Gynecol 111:420-2. 2008
    ..Although about one half of Clinical Expert Series articles cited relevant Cochrane reviews, most eligible reviews were not referenced. Wider use of Cochrane reviews could strengthen the scientific basis of this popular series...
  47. doi request reprint Expectant care versus surgical treatment for miscarriage
    Kavita Nanda
    Clinical Sciences, FHI, Research Triangle Park, North Carolina, USA
    Cochrane Database Syst Rev . 2012
    ..The need for routine surgical evacuation with miscarriage has been questioned because of potential complications such as cervical trauma, uterine perforation, hemorrhage, or infection...
  48. ncbi request reprint Oral contraceptives for functional ovarian cysts
    David A Grimes
    Clinical Sciences, FHI 360, PO Box 13950, Research Triangle Park, North Carolina, USA, NC 27709
    Cochrane Database Syst Rev 9:CD006134. 2011
    ..This became a common clinical practice in the early 1970s...
  49. ncbi request reprint Strategies to improve adherence and acceptability of hormonal methods of contraception
    Vera Halpern
    Clinical Sciences, FHI, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 4:CD004317. 2011
    ..Despite their high theoretical effectiveness, typical use results in much lower effectiveness. In large part, this disparity reflects difficulties in adherence to the contraceptive regimen and low rates for long-term continuation...
  50. ncbi request reprint Immediate post-partum insertion of intrauterine devices
    David A Grimes
    Behavioral and Biomedical Research, Family Health International, P O Box 13950, Research Triangle Park, North Carolina, USA, 27709
    Cochrane Database Syst Rev 5:CD003036. 2010
    ..The popularity of immediate post-partum IUD insertion in countries as diverse as China, Mexico, and Egypt support the feasibility of this approach. Early follow up may be important in identifying spontaneous IUD expulsions...
  51. doi request reprint Oral contraceptives containing drospirenone for premenstrual syndrome
    Laureen M Lopez
    Behavioral and Biomedical Research, Family Health International, P O Box 13950, Research Triangle Park, North Carolina 27709, USA
    Cochrane Database Syst Rev . 2009
    ..A COC containing drospirenone and low estrogen has been approved for treating PMDD in women who choose COCs for contraception...
  52. doi request reprint Immediate postpartum insertion of intrauterine device for contraception
    Laureen M Lopez
    Clinical and Epidemiological Sciences, FHI 360, 359 Blackwell St, Suite 200, Durham, North Carolina, USA, 27701
    Cochrane Database Syst Rev 6:CD003036. 2015
    ..Without the option of immediate insertion, many women may never return for services or may adopt less effective contraception...
  53. ncbi request reprint "Oligozoospermia," "azoospermia," and other semen-analysis terminology: the need for better science
    David A Grimes
    Family Health International, Research Triangle Park, North Carolina 27709, USA
    Fertil Steril 88:1491-4. 2007
    ..g., "oligozoospermia" and "azoospermia") are unscientific, have overlapping definitions, and are often misinterpreted. The best course is to abandon these vague and difficult labels and simply report semen analyses quantitatively...
  54. ncbi request reprint Nonhormonal drugs for contraception in men: a systematic review
    Laureen M Lopez
    Family Health International, Research Triangle Park, North Carolina 27709, USA
    Obstet Gynecol Surv 60:746-52. 2005
    ..Clinical trials studied injecting styrene maleic anhydride into the vas deferens, but no comparative data were provided. At this time, no safe and effective nonhormonal drug is available for contraception in men...