Øjvind Lidegaard

Summary

Affiliation: University of Copenhagen
Country: Denmark

Publications

  1. doi request reprint Hormonal contraception and venous thromboembolism
    Øjvind Lidegaard
    Gynaecological Clinic 4232, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    Acta Obstet Gynecol Scand 91:769-78. 2012
  2. ncbi request reprint Sexual habits before multiple sclerosis: a national case-control study
    Øjvind Lidegaard
    Gynaecological Clinic 4232, Rigshospitalet, Copenhagen Ø, Denmark
    Mult Scler 14:67-72. 2008
  3. ncbi request reprint Imprinting disorders after assisted reproductive technologies
    Øjvind Lidegaard
    Gynaecologic Clinic Juliane, Marie Centre, Copenhagen, Denmark
    Curr Opin Obstet Gynecol 18:293-6. 2006
  4. ncbi request reprint Imprinting diseases and IVF: Danish National IVF cohort study
    Ojvind Lidegaard
    Department of Obstetrics and Gynaecology, Herlev University Hospital, DK 2730 Herlev, DK 2100 Copenhagen Ø, Denmark
    Hum Reprod 20:950-4. 2005
  5. ncbi request reprint [Clinical quality databases 2003. Handling of cases and evaluation of the year's applications]
    Øjvind Lidegaard
    Afdelingen for Sundhedsinformatik, Amtssygehuset i Herlev, gynaekologisk obstetrisk afdeling
    Ugeskr Laeger 165:3737-40. 2003
  6. ncbi request reprint Oral contraceptives and venous thromboembolism. A case-control study
    O Lidegaard
    Department of Obstetrics and Gynecology, Herlev Hospital, University of Copenhagen, Denmark
    Contraception 57:291-301. 1998
  7. ncbi request reprint [The National Patient Registry as a tool for continuous production and quality control]
    Øjvind Lidegaard
    gynaekologisk obstetrisk afdeling, Amtssygehuset i Herlev, DK 2730 Herlev
    Ugeskr Laeger 164:4420-3. 2002
  8. ncbi request reprint Contraceptives and cerebral thrombosis: a five-year national case-control study
    Øjvind Lidegaard
    Herlev University Hospital, Herlev, Denmark
    Contraception 65:197-205. 2002
  9. ncbi request reprint Oral contraceptives and venous thromboembolism: a five-year national case-control study
    Øjvind Lidegaard
    Herlev University Hospital, Herlev, Denmark
    Contraception 65:187-96. 2002
  10. ncbi request reprint [The first 100 early medical abortions]
    O Lidegaard
    gynaekologisk obstetrisk afdeling G114, Amtssygehuset i Herlev
    Ugeskr Laeger 161:3278-81. 1999

Collaborators

Detail Information

Publications33

  1. doi request reprint Hormonal contraception and venous thromboembolism
    Øjvind Lidegaard
    Gynaecological Clinic 4232, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    Acta Obstet Gynecol Scand 91:769-78. 2012
    ..New studies about the influence of hormonal contraception on the risk of venous thromboembolism (VTE) have been published...
  2. ncbi request reprint Sexual habits before multiple sclerosis: a national case-control study
    Øjvind Lidegaard
    Gynaecological Clinic 4232, Rigshospitalet, Copenhagen Ø, Denmark
    Mult Scler 14:67-72. 2008
    ..The disease is typically diagnosed in reproductive age and recent findings have suggested that MS could be a sexually transmitted disease...
  3. ncbi request reprint Imprinting disorders after assisted reproductive technologies
    Øjvind Lidegaard
    Gynaecologic Clinic Juliane, Marie Centre, Copenhagen, Denmark
    Curr Opin Obstet Gynecol 18:293-6. 2006
    ..To assess the evidence of an increased risk of imprinting diseases in children born after use of assisted reproductive technologies...
  4. ncbi request reprint Imprinting diseases and IVF: Danish National IVF cohort study
    Ojvind Lidegaard
    Department of Obstetrics and Gynaecology, Herlev University Hospital, DK 2730 Herlev, DK 2100 Copenhagen Ø, Denmark
    Hum Reprod 20:950-4. 2005
    ..The aim of this study was to compare the frequency of imprinting diseases in children born after IVF with the incidence in naturally conceived children...
  5. ncbi request reprint [Clinical quality databases 2003. Handling of cases and evaluation of the year's applications]
    Øjvind Lidegaard
    Afdelingen for Sundhedsinformatik, Amtssygehuset i Herlev, gynaekologisk obstetrisk afdeling
    Ugeskr Laeger 165:3737-40. 2003
  6. ncbi request reprint Oral contraceptives and venous thromboembolism. A case-control study
    O Lidegaard
    Department of Obstetrics and Gynecology, Herlev Hospital, University of Copenhagen, Denmark
    Contraception 57:291-301. 1998
    ..No difference in risk was found according to estrogen dose, and the difference in risk between different types of progestins was not statistically significant after adjustment for duration of use...
  7. ncbi request reprint [The National Patient Registry as a tool for continuous production and quality control]
    Øjvind Lidegaard
    gynaekologisk obstetrisk afdeling, Amtssygehuset i Herlev, DK 2730 Herlev
    Ugeskr Laeger 164:4420-3. 2002
    ..It is an important source of administrative data and for epidemiological research. This paper summarises the results of an evaluation of the register as a tool for assessing quality in gynaecological departments in Denmark...
  8. ncbi request reprint Contraceptives and cerebral thrombosis: a five-year national case-control study
    Øjvind Lidegaard
    Herlev University Hospital, Herlev, Denmark
    Contraception 65:197-205. 2002
    ..The risk increased 2.5 times with estrogen dose increasing from 20 to 50 microg EE, and users of low-dose OCs with second-generation progestins had a 61% higher risk-association of CTA than users of OCs with third-generation progestins...
  9. ncbi request reprint Oral contraceptives and venous thromboembolism: a five-year national case-control study
    Øjvind Lidegaard
    Herlev University Hospital, Herlev, Denmark
    Contraception 65:187-96. 2002
    ..The risk increased more than 100% with increasing estrogen dose, and the difference in risk between users of third- and second-generation OCs, after correction for length of use and estrogen dose, was 33%...
  10. ncbi request reprint [The first 100 early medical abortions]
    O Lidegaard
    gynaekologisk obstetrisk afdeling G114, Amtssygehuset i Herlev
    Ugeskr Laeger 161:3278-81. 1999
    ..The reason for not preferring a medical abortion among the remaining 20% was primarily pain. Early medical abortion should be offered to all women referred for induced abortion with a gestational age of eight weeks or less...
  11. ncbi request reprint [Early medical abortion. An update]
    O Lidegaard
    Gynaekologisk obstetrisk Afdeling G, Amtssygehuset i Herlev
    Ugeskr Laeger 161:3275-7. 1999
    ..It is concluded that medical abortion is a good alternative to surgical abortion, and that women who wish an abortion have to be referred to hospital as early as possible in order not to pass the time limit of medical abortion...
  12. ncbi request reprint Management of missed abortion: comparison of medical treatment with either mifepristone + misoprostol or misoprostol alone with surgical evacuation. A multi-center trial in Copenhagen county, Denmark
    Annelise Grønlund
    Departments of Obstetrics and Gynecology at Gentofte University Hospital, Herlev University Hospital, and Glostrup University Hospital, Denmark
    Acta Obstet Gynecol Scand 81:1060-5. 2002
    ..4 mg vaginally (Mf + Ms) or misoprostol 0.4 mg vaginally (Ms) with conventional surgical evacuation (SE) in women with missed abortion...
  13. doi request reprint A Danish national cohort study on neonatal outcome in singleton pregnancies with placenta previa
    Lone N Nørgaard
    Department of Obstetrics and Gynecology, Hillerød University Hospital, Hillerød Fertility Clinic 4071, Rigshospitalet University Hospital, Copenhagen, Denmark
    Acta Obstet Gynecol Scand 91:546-51. 2012
    ..To describe the incidence of placenta previa and to assess neonatal morbidity and mortality in pregnancies with placenta previa after adjustment for previous cesarean section, smoking, multiparity, maternal age and in vitro fertilization...
  14. doi request reprint Thrombotic stroke and myocardial infarction with hormonal contraception
    Øjvind Lidegaard
    Gynecologic Clinic 4232, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    N Engl J Med 366:2257-66. 2012
    ..Although several studies have assessed the risk of venous thromboembolism with newer hormonal contraception, few have examined thrombotic stroke and myocardial infarction, and results have been conflicting...
  15. doi request reprint Hormone therapy and ovarian borderline tumors: a national cohort study
    Lina Steinrud Mørch
    Gynaecological Clinic, Copenhagen University Hospital, Copenhagen University, Section 3341, Blegdamsvej 9, 2100, Copenhagen, Denmark
    Cancer Causes Control 23:113-20. 2012
    ..Little is known about the influence of postmenopausal hormone therapy on the risk of ovarian borderline tumors. We aimed at assessing the influence of different hormone therapies on this risk...
  16. doi request reprint Long-term reproductive outcomes in women whose first pregnancy is ectopic: a national controlled follow-up study
    Line Lund Kårhus
    Gynaecological Clinic 4232, Rigshospitalet, University of Copenhagen, Denmark
    Hum Reprod 28:241-6. 2013
    ..How does long-term reproductive prognosis among women whose first pregnancy is ectopic differ from prognosis in women with other initial pregnancy outcomes?..
  17. pmc Risk of venous thromboembolism from use of oral contraceptives containing different progestogens and oestrogen doses: Danish cohort study, 2001-9
    Øjvind Lidegaard
    Gynaecological Clinic 4232, Rigshospitalet, University of Copenhagen, Denmark
    BMJ 343:d6423. 2011
    ..To assess the risk of venous thromboembolism from use of combined oral contraceptives according to progestogen type and oestrogen dose...
  18. doi request reprint Perinatal outcome of singleton siblings born after assisted reproductive technology and spontaneous conception: Danish national sibling-cohort study
    Anna Karina Aaris Henningsen
    Fertility Clinic, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    Fertil Steril 95:959-63. 2011
    ..To compare the perinatal outcome of singleton siblings conceived differently...
  19. doi request reprint Hormone therapy and risk of myocardial infarction: a national register study
    Ellen Løkkegaard
    Gynaecological Clinic, Rigshospitalet, Copenhagen Ø, Denmark
    Eur Heart J 29:2660-8. 2008
    ..To assess the risk of myocardial infarction (MI) as a result of hormone therapy (HT), with focus on the influence of age, duration of HT, various regimens and routes, progestagen type, and oestrogen dose...
  20. ncbi request reprint [Registration of primary ovarian cancer in Denmark]
    Anette Lykke Petri
    Gynaekologisk Klinik 4232, Rigshospitalet, DK 2100 København Ø
    Ugeskr Laeger 171:408-11. 2009
    ..All four registers are obligatory, but none are 100% complete. In the future a faithful electronic registration by an electronic patient record will probably complete the variable profit ratio and data completeness...
  21. doi request reprint Hormone therapy and ovarian cancer
    Lina Steinrud Mørch
    Gynaecological Clinic, Rigshospitalet, Copenhagen University, 2100 Copenhagen, Denmark
    JAMA 302:298-305. 2009
    ..Studies have suggested an increased risk of ovarian cancer among women taking postmenopausal hormone therapy. Data are sparse on the differential effects of formulations, regimens, and routes of administration...
  22. doi request reprint First-trimester vaginal bleeding and complications later in pregnancy
    Jacob Alexander Lykke
    Department of Obstetrics and Gynecology, Roskilde Hospital, Roskilde, Denmark
    Obstet Gynecol 115:935-44. 2010
    ..To evaluate the association of first-trimester bleeding without miscarriage and complications later in the first pregnancy as well as in the next pregnancy...
  23. ncbi request reprint Consequences of vanishing twins in IVF/ICSI pregnancies
    Anja Pinborg
    The Fertility Clinic, The Juliane Marie Center, Copenhagen University Hospital, Rigshospitalet, Denmark
    Hum Reprod 20:2821-9. 2005
    ..The aim of this study was to assess incidence rates of spontaneous reductions in IVF/ICSI twin pregnancies and to compare short- and long-term morbidity in survivors of a vanishing co-twin with singletons and born twins...
  24. ncbi request reprint Absolute and attributable risk of venous thromboembolism in women on combined cyproterone acetate and ethinylestradiol
    Øjvind Lidegaard
    Danish Centre for Human Reproductive Epidemiology DaHRE, Department of Obstetrics and Gynaecology, Herlev University Hospital, Copenhagen County, Denmark
    J Obstet Gynaecol Can 25:575-7. 2003
    ..To achieve absolute risk estimates of venous thromboembolism (VTE) among women on cyproterone acetate plus ethinylestradiol (CPA/EE), and among women on combined oral contraceptives (COCs)...
  25. ncbi request reprint Spontaneous abortion: expectant management, medical treatment or surgical evacuation
    Lars Grønlund
    Department of Obstetrics and Gynecology, Herlev University Hospital, Denmark
    Acta Obstet Gynecol Scand 81:781-2. 2002
  26. ncbi request reprint The vanishing twin: a major determinant of infant outcome in IVF singleton births
    Anja Pinborg
    Juliane Marie Centre, University of Copenhagen, Rigshopitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
    Br J Hosp Med (Lond) 67:417-20. 2006
    ..This article attempts to assess the frequency of vanishing twins in assisted reproductive and spontaneously conceived pregnancies, including in-vitro fertilization (IVF), and its impact on the live-born surviving twin...
  27. doi request reprint Venous thromboembolism in pregnant and puerperal women in Denmark 1995-2005. A national cohort study
    Rie Adser Virkus
    Department of Obstetrics and Gynecology, Hillerød Hospital, Dyrehavevej 29, 3400 Hillerød, Denmark
    Thromb Haemost 106:304-9. 2011
    ..8 (95% CI:2.5 to 5.8) 5-6 weeks after delivery. In conclusion, the risk of VTE increases almost exponentially through pregnancy and reaches maximum just after delivery and is no longer significantly increased six weeks after delivery...
  28. doi request reprint Establishment of a national Danish hysterectomy database: preliminary report on the first 13,425 hysterectomies
    Charlotte T Hansen
    Department of Obstetrics and Gynecology, Hvidovre Hospital, University of Copenhagen, Hvidovre, Denmark
    Acta Obstet Gynecol Scand 87:546-57. 2008
    ..To describe the concept and early results from the Danish Hysterectomy Database (DHD)...
  29. doi request reprint Invasive prenatal diagnostic practice in Denmark 1996 to 2006
    Christina H F Vestergaard
    Gynecological Clinic 4232, Rigshospitalet, Copenhagen University, Copenhagen DK 2100, Denmark
    Acta Obstet Gynecol Scand 88:362-5. 2009
    ..We thus achieved to more than double the offer of prenatal screening and at the same time reduce the number of invasive procedures by 55%...
  30. doi request reprint Oral contraception in Denmark 1998-2010
    Nadia M Wilson
    Gynecological Clinic, Rigshospitalet University Hospital, University of Copenhagen, Copenhagen, Denmark
    Acta Obstet Gynecol Scand 91:810-5. 2012
    ..Oral contraceptives (OC) are the most popular contraception in Denmark. Overall figures on use are well described, but more detailed use patterns according to type and age need to be updated...
  31. doi request reprint Prognosis for live birth in women with recurrent miscarriage: what is the best measure of success?
    Marie Lund
    The Fertility Clinic, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, 2100 Copenhagen, Denmark
    Obstet Gynecol 119:37-43. 2012
    ..To establish a method of estimating the proportion of women with a subsequent live birth after a well-defined time period in an open cohort of women referred to a tertiary recurrent miscarriage clinic...
  32. pmc Hormonal contraception and risk of venous thromboembolism: national follow-up study
    Øjvind Lidegaard
    Gynaecological Clinic, Rigshospitalet, Copenhagen University, DK 2100 Copenhagen, Denmark
    BMJ 339:b2890. 2009
    ..To assess the risk of venous thrombosis in current users of different types of hormonal contraception, focusing on regimen, oestrogen dose, type of progestogen, and route of administration...
  33. ncbi request reprint Hormone replacement therapy in Denmark, 1995-2004
    Ellen Løkkegaard
    Department of Obstetrics and Gynaecology, Rigshospitalet, Copenhagen, Denmark
    Acta Obstet Gynecol Scand 86:1342-51. 2007
    ....