A Ohlsson

Summary

Affiliation: Mount Sinai Hospital
Country: Canada

Publications

  1. ncbi request reprint Postasphyxial hypoxic-ischemic encephalopathy in neonates: outcome prediction rule within 4 hours of birth
    Prakesh S Shah
    Department of Paediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada
    Arch Pediatr Adolesc Med 160:729-36. 2006
  2. doi request reprint Intravenous immunoglobulin for suspected or proven infection in neonates
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 7:CD001239. 2013
  3. doi request reprint Intravenous immunoglobulin for preventing infection in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 7:CD000361. 2013
  4. doi request reprint Ibuprofen for the treatment of patent ductus arteriosus in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 4:CD003481. 2013
  5. doi request reprint NIDCAP: a systematic review and meta-analyses of randomized controlled trials
    Arne Ohlsson
    Department of Paediatrics, University of Toronto, Ontario, Canada
    Pediatrics 131:e881-93. 2013
  6. doi request reprint Early erythropoietin for preventing red blood cell transfusion in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 9:CD004863. 2012
  7. pmc Actuarial survival of a large Canadian cohort of preterm infants
    Huw P Jones
    Department of Pediatrics, St Mary s Hospital, Portsmouth, UK
    BMC Pediatr 5:40. 2005
  8. pmc Healthcare professionals' perceptions of pain in infants at risk for neurological impairment
    Lynn M Breau
    Pediatric Pain Service, IWK Health Centre, 5850 University Ave, P, O, Box 9700, Halifax, Nova Scotia, B3K 6R8, Canada
    BMC Pediatr 4:23. 2004
  9. pmc Identification of pain indicators for infants at risk for neurological impairment: a Delphi consensus study
    Bonnie Stevens
    Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
    BMC Pediatr 6:1. 2006
  10. ncbi request reprint [Meta-regression can indicate if further NIDCAP studies are justified]
    Arne Ohlsson
    Department of Paediatrics, Obstetrics and Gynaecology, University of Toronto, Ontario, Canada
    Lakartidningen 104:134-7. 2007

Detail Information

Publications55

  1. ncbi request reprint Postasphyxial hypoxic-ischemic encephalopathy in neonates: outcome prediction rule within 4 hours of birth
    Prakesh S Shah
    Department of Paediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada
    Arch Pediatr Adolesc Med 160:729-36. 2006
    ..To construct and validate a model and derive a simple rule that is usable in any birth location for the prediction of outcome of term infants with severe asphyxia...
  2. doi request reprint Intravenous immunoglobulin for suspected or proven infection in neonates
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 7:CD001239. 2013
    ..Theoretically, infectious morbidity and mortality could be reduced by the administration of IVIG...
  3. doi request reprint Intravenous immunoglobulin for preventing infection in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 7:CD000361. 2013
    ..Preterm infants are deficient in immunoglobulin G (IgG); therefore, administration of intravenous immunoglobulin (IVIG) may have the potential of preventing or altering the course of nosocomial infections...
  4. doi request reprint Ibuprofen for the treatment of patent ductus arteriosus in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 4:CD003481. 2013
    ..Ibuprofen, another cyclo-oxygenase inhibitor, may be as effective as indomethacin with fewer side effects...
  5. doi request reprint NIDCAP: a systematic review and meta-analyses of randomized controlled trials
    Arne Ohlsson
    Department of Paediatrics, University of Toronto, Ontario, Canada
    Pediatrics 131:e881-93. 2013
    ..Our objective was to assess the effectiveness of NIDCAP in improving outcomes in preterm infants...
  6. doi request reprint Early erythropoietin for preventing red blood cell transfusion in preterm and/or low birth weight infants
    Arne Ohlsson
    Departments of Paediatrics, Obstetrics and Gynaecology and Institute of Health Policy, Management and Evaluation, University ofToronto, Toronto, Canada
    Cochrane Database Syst Rev 9:CD004863. 2012
    ..Low plasma levels of erythropoietin (EPO) in preterm infants provide a rationale for the use of EPO to prevent or treat anaemia...
  7. pmc Actuarial survival of a large Canadian cohort of preterm infants
    Huw P Jones
    Department of Pediatrics, St Mary s Hospital, Portsmouth, UK
    BMC Pediatr 5:40. 2005
    ....
  8. pmc Healthcare professionals' perceptions of pain in infants at risk for neurological impairment
    Lynn M Breau
    Pediatric Pain Service, IWK Health Centre, 5850 University Ave, P, O, Box 9700, Halifax, Nova Scotia, B3K 6R8, Canada
    BMC Pediatr 4:23. 2004
    ..To determine whether healthcare professionals perceive the pain of infants differently due to their understanding of that infant's level of risk for neurological impairment...
  9. pmc Identification of pain indicators for infants at risk for neurological impairment: a Delphi consensus study
    Bonnie Stevens
    Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
    BMC Pediatr 6:1. 2006
    ..The objective of this study was to establish consensus about which behavioural, physiologic and contextual indicators best characterize pain in infants at high, moderate and low levels of risk for NI...
  10. ncbi request reprint [Meta-regression can indicate if further NIDCAP studies are justified]
    Arne Ohlsson
    Department of Paediatrics, Obstetrics and Gynaecology, University of Toronto, Ontario, Canada
    Lakartidningen 104:134-7. 2007
  11. ncbi request reprint Early erythropoietin for preventing red blood cell transfusion in preterm and/or low birth weight infants
    A Ohlsson
    Mount Sinai Hospital, Department of Paediatrics, 600 University Avenue, Toronto, Ontario, Canada M5G 1X5
    Cochrane Database Syst Rev 3:CD004863. 2006
    ..Hematocrit falls after birth in preterm infants due to physiological factors and blood letting. Low plasma levels of erythropoietin (EPO) in preterm infants provide a rationale for the use of EPO to prevent or treat anemia...
  12. ncbi request reprint Knowledge translation and evidence-based perinatal/neonatal health care
    Arne Ohlsson
    University of Toronto, Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario M5G 1X5, Canada
    Neonatal Netw 21:69-74. 2002
    ..Consumers of perinatal/neonatal health care or their ombudsmen should be encouraged to take part in setting the agenda and defining important outcomes for such research...
  13. doi request reprint Effects of the September 11, 2001 disaster on pregnancy outcomes: a systematic review
    Arne Ohlsson
    Department of Pediatrics, Mount Sinai Hospital, University of Toronto, Canada
    Acta Obstet Gynecol Scand 90:6-18. 2011
    ..Pregnant women and their offspring are especially vulnerable during and after such a terrorist attack. The objective was to systematically review the risks of adverse pregnancy outcomes after the terrorist attacks on Sept 11, 2001...
  14. doi request reprint Multiple courses of antenatal corticosteroids for preterm birth study: 2-year outcomes
    Elizabeth V Asztalos
    Department of Newborn and Developmental Paediatrics, Centre for Mother, Infant, and Child Research, Sunnybrook Health Sciences Centre, M4 233 2075 Bayview Ave Toronto, Ontario, M4N 3M5, Canada
    Pediatrics 126:e1045-55. 2010
    ....
  15. doi request reprint Outcomes of preterm infants <29 weeks gestation over 10-year period in Canada: a cause for concern?
    P S Shah
    Division of Neonatology, Department of Paediatrics, University of Toronto, Toronto, ON, Canada
    J Perinatol 32:132-8. 2012
    ..To compare risk-adjusted changes in outcomes of preterm infants <29 weeks gestation born in 1996 to 1997 with those born in 2006 to 2007...
  16. ncbi request reprint Variations in practice and outcomes in the Canadian NICU network: 1996-1997
    S K Lee
    Department of Pediatrics, University of British Columbia, British Columbia, Canada
    Pediatrics 106:1070-9. 2000
    ..Previous reports of variations in outcomes among neonatal intensive care units (NICUs) examined only specific subpopulations of interest (eg, very low birth weight [VLBW] infants <1500 g of birth weight [BW])...
  17. ncbi request reprint The outcome of triplet, quadruplet, and quintuplet pregnancies managed in a perinatal unit: obstetric, neonatal, and follow-up data
    R Gonen
    Regional Perinatal Unit, Women s College Hospital, Toronto, Ontario, Canada
    Am J Obstet Gynecol 162:454-9. 1990
    ....
  18. pmc The Early External Cephalic Version (ECV) 2 Trial: an international multicentre randomised controlled trial of timing of ECV for breech pregnancies
    E K Hutton
    Department of Obstetrics and Gynecology Midwifery, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada
    BJOG 118:564-77. 2011
    ....
  19. ncbi request reprint Long-term effects of indomethacin prophylaxis in extremely-low-birth-weight infants
    B Schmidt
    Department of Pediatrics, McMaster University, Hamilton, Ont, Canada
    N Engl J Med 344:1966-72. 2001
    ..Whether prophylaxis with indomethacin confers any long-term benefits that outweigh the risks of drug-induced reductions in renal, intestinal, and cerebral blood flow is not known...
  20. ncbi request reprint Prediction of perinatal outcome in fetuses suspected to have intrauterine growth restriction: Doppler US study of fetal cerebral, renal, and umbilical arteries
    K W Fong
    Dept of Medical Imaging, Sunnybrook and Women s College Health Sciences Center, Toronto, Canada
    Radiology 213:681-9. 1999
    ....
  21. doi request reprint Multiple courses of antenatal corticosteroids for preterm birth (MACS): a randomised controlled trial
    Kellie E Murphy
    Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
    Lancet 372:2143-51. 2008
    ..We aimed to find out whether multiple courses of antenatal corticosteroids would reduce neonatal morbidity and mortality without adversely affecting fetal growth...
  22. ncbi request reprint Survival, morbidity, and resource use of infants of 25 weeks' gestational age or less
    K Chan
    Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada
    Am J Obstet Gynecol 185:220-6. 2001
    ..CONCLUSION: Extremely preterm infants have a high incidence of mortality and morbidity and consume disproportionate amounts of neonatal intensive care unit resources...
  23. pmc Using a count of neonatal morbidities to predict poor outcome in extremely low birth weight infants: added role of neonatal infection
    Dirk Bassler
    Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
    Pediatrics 123:313-8. 2009
    ..Neonatal infection has also been linked with later impairment. We examined whether the addition of infection to the count of 3 neonatal morbidities further improves the prediction of poor outcome...
  24. ncbi request reprint Multiple courses of antenatal corticosteroids: a systematic review and meta-analysis
    F Aghajafari
    Institute of Medical Sciences, Center for Research in Women s Health, University of Toronto, Ontario, Canada
    Am J Obstet Gynecol 185:1073-80. 2001
    ..To assess the effects of multiple courses of antenatal corticosteroids on perinatal and neonatal death and neonatal, infant, and maternal disease...
  25. ncbi request reprint Effect of epidural vs parenteral opioid analgesia on the progress of labor: a meta-analysis
    S H Halpern
    Department of Anaesthesia, University of Toronto and Women s College Hospital, Ontario, Canada
    JAMA 280:2105-10. 1998
    ..Epidural labor analgesia, if selected by the patient, is associated with high cesarean delivery rates. Results of randomized trials comparing rates of cesarean delivery using epidural anesthesia vs parenteral opioids are inconsistent...
  26. ncbi request reprint Hypothermia to treat neonatal hypoxic ischemic encephalopathy: systematic review
    Prakesh S Shah
    Department of Paediatrics, Mount Sinai Hospital, and University of Toronto, Ontario, M5G 1X5, Canada
    Arch Pediatr Adolesc Med 161:951-8. 2007
    ..0-33.5 degrees C] or mild [>or=33.6 degrees C])...
  27. ncbi request reprint Procedural pain in newborns at risk for neurologic impairment
    Bonnie Stevens
    Faculties of Nursing and Medicine, University of Toronto, The Hospital for Sick Children, 555 University Avenue, Room 4734c, Toronto, Ontario, Canada M5G 1X8
    Pain 105:27-35. 2003
    ..As these infants are vulnerable to pain and its consequences, the rational underlying health professional strategies regarding painful procedures and analgesic use for procedural pain in this population urgently awaits exploration...
  28. ncbi request reprint The effectiveness of premedication for endotracheal intubation in mechanically ventilated neonates. A systematic review
    Vibhuti Shah
    Department of Paediatrics, Mount Sinai Hospital, Faculty of Medicine, University of Toronto, 600 University Avenue, Toronto, ON M5G 1X5, Canada
    Clin Perinatol 29:535-54. 2002
    ..Adequately skilled staff who have a full understanding of the potential benefits and harms of the interventions used should perform intubation and the administration of premedication in neonates...
  29. ncbi request reprint A randomized, controlled trial of heparin versus placebo infusion to prolong the usability of peripherally placed percutaneous central venous catheters (PCVCs) in neonates: the HIP (Heparin Infusion for PCVC) study
    Prakesh S Shah
    Department of Pediatrics, Mount Sinai Hospital, 775A, 600 University Ave, Toronto, Ontario, Canada M5G 1X5
    Pediatrics 119:e284-91. 2007
    ..Heparin use to prevent such complications and prolong the usability of peripherally inserted central venous catheters is inconclusive...
  30. ncbi request reprint No indications of increased quiet sleep in infants who receive care based on the Newborn Individualized Care and Assessment Program (NIDCAP)
    Arne Ohlsson
    Acta Paediatr 91:262-263.. 2002
  31. ncbi request reprint Long-term effects of caffeine therapy for apnea of prematurity
    Barbara Schmidt
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada
    N Engl J Med 357:1893-902. 2007
    ..Methylxanthine therapy is commonly used for apnea of prematurity but in the absence of adequate data on its efficacy and safety. It is uncertain whether methylxanthines have long-term effects on neurodevelopment and growth...
  32. ncbi request reprint Comparison of pain responses in infants of different gestational ages
    Sharyn Gibbins
    Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
    Neonatology 93:10-8. 2008
    ..Using physiological or behavioral pain indicators derived from more mature infants may lead to inaccurate assessments and management...
  33. ncbi request reprint Determining the structure of acute pain responses in vulnerable neonates
    Bonnie Stevens
    Lawrence Bloomberg Faculty of Nursing, University of Toronto, Canada
    Can J Nurs Res 39:32-47. 2007
    ..Physiological indicators explained 8 to 26% additional variance. There were no consistent differences in the factor structures when contextual factors were explored...
  34. ncbi request reprint The Newborn Individualized Developmental Care and Assessment Program is not supported by meta-analyses of the data
    Susan E Jacobs
    Division of Neonatology, Department of Pediatrics, the Hospital for Sick Children and Mount Sinai Hospital, University of Toronto, Ontario, Canada
    J Pediatr 140:699-706. 2002
    ....
  35. ncbi request reprint Efficacy and safety of sucrose for procedural pain relief in preterm and term neonates
    Sharyn Gibbins
    Faculty of Nursing, Health Scoences Center, Sunnybrook and Women s College Hospital, 76 Grenville Street, Rm 445, Toronto, Ontario, Canada M5A 1B2
    Nurs Res 51:375-82. 2002
    ....
  36. ncbi request reprint Judgments of pain in the neonatal intensive care setting: a survey of direct care staffs' perceptions of pain in infants at risk for neurological impairment
    Lynn M Breau
    Pediatric Pain Service, IWK Health Centre, Halifax, Nova Scotia, Canada
    Clin J Pain 22:122-9. 2006
    ..To determine whether healthcare professionals believe the pain of infants at risk for neurologic impairment differs from that of typical infants...
  37. ncbi request reprint Caffeine therapy for apnea of prematurity
    Barbara Schmidt
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont, Canada
    N Engl J Med 354:2112-21. 2006
    ..It is uncertain whether methylxanthines have other short- and long-term benefits or risks in infants with very low birth weight...
  38. ncbi request reprint Perinatal and neurodevelopmental outcome with isolated fetal ventriculomegaly: a systematic review
    Matthew D Laskin
    Department of Obstetrics and Gynecology, Mount Sinai Hospital, University of Toronto, Canada
    J Matern Fetal Neonatal Med 18:289-98. 2005
    ..To establish the perinatal and neurodevelopmental outcomes of fetuses diagnosed with isolated ventriculomegaly (IVM)...
  39. ncbi request reprint Multiple versus single courses of antenatal corticosteroids for preterm birth: a pilot study
    Fariba Aghajafari
    Sunnybrook and Women s College Health Sciences Centre, Toronto, ON, Canada
    J Obstet Gynaecol Can 24:321-9. 2002
    ....
  40. ncbi request reprint Repeated doses of antenatal corticosteroids in animals: a systematic review
    Fariba Aghajafari
    Institute of Medical Sciences, Maternal, Infant and Reproductive Health Research Unit, Center for Research in Women s Health, Department of Obstetrics and Gynecology, Sunnybrook and Women s College Health Sciences Center, University of Toronto, Ontario
    Am J Obstet Gynecol 186:843-9. 2002
    ..The purpose of this review was to assess the effects of repeated doses of antenatal corticosteroids on lung and brain function and on growth restriction in animals...
  41. ncbi request reprint Variations in antenatal corticosteroid therapy: a persistent problem despite 30 years of evidence
    Li Yin Chien
    Institute of Community Health Nursing, School of Nursing, National Yang Ming University, Taipei, Taiwan
    Obstet Gynecol 99:401-8. 2002
    ..To document current use of antenatal corticosteroid therapy in a large cohort of Canadian preterm infants admitted to neonatal intensive care units, and to assess the impact of variations in use on neonatal outcomes...
  42. pmc Variations in mortality rates among Canadian neonatal intensive care units
    Koravangattu Sankaran
    Department of Pediatrics, University of Saskatchewan, Saskatoon
    CMAJ 166:173-8. 2002
    ..Our aim was to examine the incidence and causes of death and the risk-adjusted variation in mortality rates for a large group of infants of all birth weights admitted to Canadian NICUs...
  43. ncbi request reprint Preterm birth, stillbirth and infant mortality among triplet births in Canada, 1985-96
    K S Joseph
    Department of Obstetrics and Gyneacology, Halifax, Nova Scotia, Canada
    Paediatr Perinat Epidemiol 16:141-8. 2002
    ..In spite of temporal reductions in infant mortality, triplet births continue to be associated with very high rates of preterm birth and fetal and infant mortality. Fetal mortality among triplets has not changed over the last ten years...
  44. ncbi request reprint The benefit of preterm birth at tertiary care centers is related to gestational age
    Shoo K Lee
    Department of Pediatrics, University of British Columbia, Vancouver, Canada
    Am J Obstet Gynecol 188:617-22. 2003
    ..The purpose of this study was to examine the relationship between gestational age and outcomes of outborn versus inborn preterm infants...
  45. ncbi request reprint Perinatel outcomes of singleton pregnancies achieved by in vitro fertilization: a systematic review and meta-analysis
    Sarah D McDonald
    Department of Obstetrics and Gynecology, The Ottawa Hospital, Ottawa, Ontario, Canada
    J Obstet Gynaecol Can 27:449-59. 2005
    ..To determine whether the incidence of adverse obstetric outcomes is higher in singleton pregnancies achieved by in vitro fertilization (IVF) than in spontaneously conceived singletons matched for maternal age...
  46. ncbi request reprint Improved outcomes of outborn preterm infants if admitted to perinatal centers versus freestanding pediatric hospitals
    Prakesh S Shah
    Department of Pediatrics, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
    J Pediatr 146:626-31. 2005
    ..To examine whether admission hospital type (13 perinatal centers vs 4 freestanding pediatric hospitals) was associated with differences in risk and illness severity adjusted mortality and morbidity among outborn preterm infants...
  47. ncbi request reprint Male/female differences in indomethacin effects in preterm infants
    Arne Ohlsson
    University of Toronto, Toronto, McMaster University, Hamilton, Ontario, Canada
    J Pediatr 147:860-2. 2005
    ..A secondary analysis was performed in the entire "Trial of Indomethacin Prophylaxis in Preterms study" cohort. The results suggest a weak differential treatment effect of indomethacin by sex...
  48. pmc Antibiotics for sore throat to prevent rheumatic fever: yes or no? How the Cochrane Library can help
    Arne Ohlsson
    Department of Paediatrics, University of Toronto, Ont
    CMAJ 171:721-3. 2004
  49. ncbi request reprint Economics of home vs. hospital breastfeeding support for newborns
    Bonnie Stevens
    Faculties of Nursing and Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
    J Adv Nurs 53:233-43. 2006
    ..hospital-based support for breastfeeding by nurse lactation consultants for term and near-term neonates during the first week of life...
  50. pmc Hydralazine for treatment of severe hypertension in pregnancy: meta-analysis
    Laura A Magee
    University of British Columbia, BC Women s Hospital and Health Centre, 4500 Oak Street, Vancouver, BC, Canada V6H 3N1
    BMJ 327:955-60. 2003
    ..To review outcomes in randomised controlled trials comparing hydralazine against other antihypertensives for severe hypertension in pregnancy...
  51. ncbi request reprint Doppler ultrasonography versus amniocentesis to predict fetal anemia
    Dick Oepkes
    Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands
    N Engl J Med 355:156-64. 2006
    ....
  52. ncbi request reprint Neonatal intensive care unit characteristics affect the incidence of severe intraventricular hemorrhage
    Anne R Synnes
    Department of Pediatrics, University of British Columbia, Canada
    Med Care 44:754-9. 2006
    ..The effect of NICU characteristics on this variation is unknown. The objective was to assess IVH attributable risks at both patient and NICU levels...
  53. ncbi request reprint Determining behavioural and physiological responses to pain in infants at risk for neurological impairment
    Bonnie Stevens
    Faculty of Nursing, University of Toronto, Toronto, Ont, Canada
    Pain 127:94-102. 2007
    ..All infants responded to the most painful phase of the heel lance; however, infants at moderate and highest risk for NI exhibited decreased responses in some indicators...
  54. ncbi request reprint Randomized double-blind placebo-controlled trial of transdermal nitroglycerin for preterm labor
    Graeme N Smith
    Queen s Perinatal Research Unit, Department of Obstetrics and Gynecology, Kingston General Hospital, Queen s University, Kingston, Ontario, Canada
    Am J Obstet Gynecol 196:37.e1-8. 2007
    ..The objective of this randomized placebo-controlled trial was to determine the effect of transdermal nitroglycerin on neonatal outcomes in women who present in preterm labor...
  55. ncbi request reprint Perinatal outcomes of in vitro fertilization twins: a systematic review and meta-analyses
    Sarah McDonald
    Department of Obstetrics and Gynecology, Ottawa Hospital, University of Ottawa, Ontario, Canada
    Am J Obstet Gynecol 193:141-52. 2005
    ..The objective of this meta-analysis was to determine whether the incidence of poor obstetric outcomes is higher for in vitro fertilization twins than for spontaneously conceived twins who were matched for maternal age...