Tina K Jensen

Summary

Affiliation: University of Southern Denmark
Country: Denmark

Publications

  1. ncbi request reprint Poor semen quality may contribute to recent decline in fertility rates
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, The Juliane Marie Centre, Section GR 5064, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
    Hum Reprod 17:1437-40. 2002
  2. pmc Alcohol and male reproductive health: a cross-sectional study of 8344 healthy men from Europe and the USA
    Tina Kold Jensen
    Department of Environmental Epidemiology, University of Southern Denmark, Winsløwsparken 17, Odense, Denmark Department of Growth and Reproduction, Rigshospitalet, Blegdamsvej 9, Copenhagen, Denmark
    Hum Reprod 29:1801-9. 2014
  3. doi request reprint Association of sleep disturbances with reduced semen quality: a cross-sectional study among 953 healthy young Danish men
    Tina Kold Jensen
    Department of Environmental Medicine, Faculty of Health Sciences, University of Southern Denmark, Winsloewsparken 17, Odense, Denmark
    Am J Epidemiol 177:1027-37. 2013
  4. doi request reprint High dietary intake of saturated fat is associated with reduced semen quality among 701 young Danish men from the general population
    Tina K Jensen
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Am J Clin Nutr 97:411-8. 2013
  5. ncbi request reprint Caffeine intake and semen quality in a population of 2,554 young Danish men
    Tina Kold Jensen
    University Department of Growth and Reproduction, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
    Am J Epidemiol 171:883-91. 2010
  6. doi request reprint Good semen quality and life expectancy: a cohort study of 43,277 men
    Tina Kold Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Winsloewsparken 17, 5000 Odense C, Denmark
    Am J Epidemiol 170:559-65. 2009
  7. ncbi request reprint Early exposure to smoking and future fecundity among Danish twins
    T K Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
    Int J Androl 29:603-13. 2006
  8. ncbi request reprint The influence of occupational exposure on male reproductive function
    Tina Kold Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, 5000 Odense, Denmark
    Occup Med (Lond) 56:544-53. 2006
  9. ncbi request reprint Fertility treatment and reproductive health of male offspring: a study of 1,925 young men from the general population
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Am J Epidemiol 165:583-90. 2007
  10. pmc Declining trends in conception rates in recent birth cohorts of native Danish women: a possible role of deteriorating male reproductive health
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Int J Androl 31:81-92. 2008

Detail Information

Publications52

  1. ncbi request reprint Poor semen quality may contribute to recent decline in fertility rates
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, The Juliane Marie Centre, Section GR 5064, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
    Hum Reprod 17:1437-40. 2002
    ..We propose that researchers in other countries with low and falling fertility rates among young women should consider the possibility that semen quality of their younger male cohorts may also have deteriorated...
  2. pmc Alcohol and male reproductive health: a cross-sectional study of 8344 healthy men from Europe and the USA
    Tina Kold Jensen
    Department of Environmental Epidemiology, University of Southern Denmark, Winsløwsparken 17, Odense, Denmark Department of Growth and Reproduction, Rigshospitalet, Blegdamsvej 9, Copenhagen, Denmark
    Hum Reprod 29:1801-9. 2014
    ..Is there an association between alcohol intake and semen quality and serum reproductive hormones among healthy men from the USA and Europe?..
  3. doi request reprint Association of sleep disturbances with reduced semen quality: a cross-sectional study among 953 healthy young Danish men
    Tina Kold Jensen
    Department of Environmental Medicine, Faculty of Health Sciences, University of Southern Denmark, Winsloewsparken 17, Odense, Denmark
    Am J Epidemiol 177:1027-37. 2013
    ..In future studies, investigators should attempt to elucidate mechanistic explanations and prospectively assess whether semen quality improves after interventions restoring a normal sleeping pattern...
  4. doi request reprint High dietary intake of saturated fat is associated with reduced semen quality among 701 young Danish men from the general population
    Tina K Jensen
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Am J Clin Nutr 97:411-8. 2013
    ..Saturated fat intake has been associated with both cardiovascular disease and cancer risk, and a newly published study found an association between saturated fat intake and a lower sperm concentration in infertile men...
  5. ncbi request reprint Caffeine intake and semen quality in a population of 2,554 young Danish men
    Tina Kold Jensen
    University Department of Growth and Reproduction, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
    Am J Epidemiol 171:883-91. 2010
    ..Therefore, the authors cannot exclude the possibility of a threshold above which cola, and possibly caffeine, negatively affects semen quality. Alternatively, the less healthy lifestyle of these men may explain these findings...
  6. doi request reprint Good semen quality and life expectancy: a cohort study of 43,277 men
    Tina Kold Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Winsloewsparken 17, 5000 Odense C, Denmark
    Am J Epidemiol 170:559-65. 2009
    ..Semen quality may therefore be a fundamental biomarker of overall male health...
  7. ncbi request reprint Early exposure to smoking and future fecundity among Danish twins
    T K Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
    Int J Androl 29:603-13. 2006
    ..65; 95% CI 0.47-0.91). This study supports that smoking is hazardous to the female fetus not only in the short term but also affects her future ability to conceive and makes it even more important to advise pregnant women to stop smoking...
  8. ncbi request reprint The influence of occupational exposure on male reproductive function
    Tina Kold Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, 5000 Odense, Denmark
    Occup Med (Lond) 56:544-53. 2006
    ..It is also important to bear in mind that many workers in the non-Western world still are exposed to substances that are banned in the Western world, sometimes in high concentrations...
  9. ncbi request reprint Fertility treatment and reproductive health of male offspring: a study of 1,925 young men from the general population
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Am J Epidemiol 165:583-90. 2007
    ..Although the cause of these findings is unknown, they raise concern about possible late effects of fertility treatment. Larger-scale studies of children born after fertility treatment should be performed...
  10. pmc Declining trends in conception rates in recent birth cohorts of native Danish women: a possible role of deteriorating male reproductive health
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Int J Androl 31:81-92. 2008
    ..The current and projected widespread use of ART in Denmark may be a sign of such an emerging public health problem...
  11. ncbi request reprint Self-rated health and semen quality among 3,457 young Danish men
    Tina K Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Fertil Steril 88:1366-73. 2007
    ..To study the relationship between self-rated health (SRH) and semen quality...
  12. ncbi request reprint [Antioxidants and male subfertility--a survey of a Cochrane review]
    Tina Kold Jensen
    Klinik for Vækst og Reproduktion, Rigshospitalet, Blegdamsvej 9, 2100 København Ø, Denmark
    Ugeskr Laeger 173:3253-5. 2011
    ..Future studies should be large, randomized placebo-controlled trials...
  13. ncbi request reprint Effects of breast feeding on neuropsychological development in a community with methylmercury exposure from seafood
    Tina Kold Jensen
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense C, Denmark
    J Expo Anal Environ Epidemiol 15:423-30. 2005
    ..Although the advantage may be less, Faroese women can still safely breastfeed their children...
  14. ncbi request reprint Time trends in waiting time to pregnancy among Danish twins
    Tina Kold Jensen
    Department of Environmental Medicine, University of Southern Denmark, Institute of Public Health, 5000 Odense C, Denmark
    Hum Reprod 20:955-64. 2005
    ..In a survey among female twins born from 1953 to 1976, their time to pregnancy did not differ from singletons and can be considered to represent the fecundity of the general population...
  15. ncbi request reprint Body mass index in relation to semen quality and reproductive hormones among 1,558 Danish men
    Tina Kold Jensen
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Fertil Steril 82:863-70. 2004
    ..To examine the relationship between body mass index (BMI) and semen quality among young men from the general population...
  16. ncbi request reprint Association of in utero exposure to maternal smoking with reduced semen quality and testis size in adulthood: a cross-sectional study of 1,770 young men from the general population in five European countries
    Tina Kold Jensen
    Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Am J Epidemiol 159:49-58. 2004
    ..Maternal smoking may have long-term implications for the reproductive health of the offspring. This is another good reason to advise pregnant women to avoid smoking...
  17. pmc Lower birth weight and increased body fat at school age in children prenatally exposed to modern pesticides: a prospective study
    Christine Wohlfahrt-Veje
    University Dept, of Growth and Reproduction, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
    Environ Health 10:79. 2011
    ..The purpose of this study was to assess possible effects of prenatal exposure to currently used pesticides on children's growth, endocrine and reproductive function...
  18. pmc Risk factors for congenital cryptorchidism in a prospective birth cohort study
    Ida N Damgaard
    University Department of Growth and Reproduction, GR 5064 Rigshospitalet, Copenhagen, Denmark
    PLoS ONE 3:e3051. 2008
    ..Risk factors for congenital cryptorchidism were investigated in a prospective birth cohort study in Denmark and Finland from 1997 to 2001...
  19. pmc Association between prenatal polychlorinated biphenyl exposure and obesity development at ages 5 and 7 y: a prospective cohort study of 656 children from the Faroe Islands
    Jeanett L Tang-Péronard
    Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark JLT P, HRA, PG, and TKJ the Research Unit for Dietary Studies, Institute of Preventive Medicine, Copenhagen University Hospitals, Frederiksberg, Denmark JLT P and BLH the National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark BLH the Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, Sydney Medical School, Sydney, Australia BLH the Department of Occupational Medicine and Public Health, Torshavn, Faroe Islands US and the Department of Environmental Medicine, Faroese Hospital System, Torshavn, Faroe Islands PW
    Am J Clin Nutr 99:5-13. 2014
    ..Chemicals with endocrine-disrupting abilities may act as obesogens and interfere with the body's natural weight-control mechanisms, especially if exposure occurs during prenatal life...
  20. doi request reprint Serum inhibin-b in fertile men is strongly correlated with low but not high sperm counts: a coordinated study of 1,797 European and US men
    Niels Jørgensen
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Fertil Steril 94:2128-34. 2010
    ..To describe associations between serum inhibin-b and sperm counts, adjusted for effect of time of blood sampling, in larger cohorts than have been previously reported...
  21. pmc Cryptorchidism and maternal alcohol consumption during pregnancy
    Ida N Damgaard
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Environ Health Perspect 115:272-7. 2007
    ..Prenatal exposure to alcohol can adversely affect the fetus. We investigated the association between maternal alcohol consumption during pregnancy and cryptorchidism (undescended testis) among newborn boys...
  22. ncbi request reprint Secular decline in male testosterone and sex hormone binding globulin serum levels in Danish population surveys
    Anna Maria Andersson
    Department of Growth and Reproduction, Copenhagen University Hospital, Rigshospitalet, Sect GR 5064, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
    J Clin Endocrinol Metab 92:4696-705. 2007
    ..These secular trends may also be reflected by changes in Leydig cell function...
  23. ncbi request reprint Serum inhibin B and follicle-stimulating hormone levels as tools in the evaluation of infertile men: significance of adequate reference values from proven fertile men
    Anna Maria Andersson
    Department of Growth and Reproduction, Copenhagen University Hospital, DK 2100 Copenhagen, Denmark
    J Clin Endocrinol Metab 89:2873-9. 2004
    ....
  24. pmc Paraoxonase 1 polymorphism and prenatal pesticide exposure associated with adverse cardiovascular risk profiles at school age
    Helle R Andersen
    Institute of Public Health, University of Southern Denmark, Odense, Denmark
    PLoS ONE 7:e36830. 2012
    ..We explored if the PON1 Q192R genotype affects cardiovascular risk factors in school-age children prenatally exposed to pesticides...
  25. doi request reprint Prenatal and adult exposures to smoking are associated with adverse effects on reproductive hormones, semen quality, final height and body mass index
    Trine L Ravnborg
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
    Hum Reprod 26:1000-11. 2011
    ..The aim of this study was to investigate the associations between these factors while controlling for the effects of current smoking in young adulthood...
  26. pmc Impaired reproductive development in sons of women occupationally exposed to pesticides during pregnancy
    Helle R Andersen
    Institute of Public Health, Department of Environmental Medicine, University of Southern Denmark, Odense, Denmark
    Environ Health Perspect 116:566-72. 2008
    ..The aim of this prospective study was to investigate whether occupational pesticide exposure during pregnancy causes adverse effects on the reproductive development in the male infants...
  27. ncbi request reprint Possible fetal determinants of male infertility
    Anders Juul
    Department of Growth and Reproduction and International Research and Research Training Centre in Endocrine Disruption of Male Reproduction and Child Health EDMaRC, Rigshospitalet, Faculty of Medical and Health Sciences, University of Copenhagen, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
    Nat Rev Endocrinol 10:553-62. 2014
    ..If confirmed, health policies to prevent male reproductive problems should not only target adult men, but also pregnant women and their children. ..
  28. pmc Persistent pesticides in human breast milk and cryptorchidism
    Ida N Damgaard
    University Department of Growth and Reproduction, Copenhagen, Denmark
    Environ Health Perspect 114:1133-8. 2006
    ..We investigated a possible human association between maternal exposure to 27 organochlorine compounds used as pesticides and cryptorchidism among male children...
  29. ncbi request reprint Adiposity and glycemic control in children exposed to perfluorinated compounds
    Clara Amalie G Timmermann
    Department of Environmental Medicine, Institute of Public Health C A G T, L I R, C D, P G, F N, T K J, and Institute of Sports Science and Clinical Biomechanics A G, M R L, L B A, University of Southern Denmark, 5000 Odense C, Denmark and Department of Biostatistics K D S, T S, University of Copenhagen, 1353 Copenhagen, Denmark
    J Clin Endocrinol Metab 99:E608-14. 2014
    ..Our objective was to explore whether childhood exposure to perfluorinated and polyfluorinated compounds (PFCs), widely used stain- and grease-repellent chemicals, is associated with adiposity and markers of glycemic control...
  30. ncbi request reprint Early pituitary-gonadal activation before clinical signs of puberty in 5- to 8-year-old adopted girls: a study of 99 foreign adopted girls and 93 controls
    Grete Teilmann
    Department of Growth and Reproduction, University Hospital of Copenhagen, Rigshospitalet, DK 2100 Copenhagen, Denmark
    J Clin Endocrinol Metab 92:2538-44. 2007
    ..Recent studies have indicated that internationally adopted girls are at high risk of developing precocious puberty. Clinical studies including a contemporary control group are lacking...
  31. ncbi request reprint Prevalence and incidence of precocious pubertal development in Denmark: an epidemiologic study based on national registries
    Grete Teilmann
    Department of Growth and Reproduction GR, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    Pediatrics 116:1323-8. 2005
    ..The aim of this study was to estimate the prevalence and incidence of precocious pubertal development in Denmark in a 9-year period...
  32. doi request reprint Early puberty in internationally adopted girls: hormonal and clinical markers of puberty in 276 girls examined biannually over two years
    Grete Teilmann
    Department of Growth and Reproduction GR 5064, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
    Horm Res 72:236-46. 2009
    ..Hypothetically, this could be due to selection bias. The aim of this study was to determine age at reaching pubertal milestones in healthy internationally adopted girls in a prospective, clinical study...
  33. ncbi request reprint Increased risk of precocious puberty in internationally adopted children in Denmark
    Grete Teilmann
    Department of Growth and Reproduction GR, University Hospital of Copenhagen, Rigshospitalet, DK 2100 Copenhagen 0, Denmark
    Pediatrics 118:e391-9. 2006
    ..We aimed to assess the risk of developing precocious puberty in intercountry adoptees, children immigrating with their family, and descendants of immigrants living in Denmark...
  34. doi request reprint Incidence and prevalence of nutritional and hereditary rickets in southern Denmark
    Signe Sparre Beck-Nielsen
    Department of Pediatrics, Hospital of Southwest Denmark, Esbjerg, Denmark
    Eur J Endocrinol 160:491-7. 2009
    ..To estimate the incidence of nutritional rickets and the incidence and prevalence of hereditary rickets...
  35. doi request reprint Nutritional rickets in Denmark: a retrospective review of children's medical records from 1985 to 2005
    Signe Sparre Beck-Nielsen
    Department of Pediatrics, Hospital of Southwest Denmark, Esbjerg, Denmark
    Eur J Pediatr 168:941-9. 2009
    ..All medical records from patients with rickets referred to or discharged from hospitals in Southern Denmark from 1985 to 2005 were identified by register search...
  36. ncbi request reprint Frequent polymorphism of the mitochondrial DNA polymerase gamma gene (POLG) in patients with normal spermiograms and unexplained subfertility
    Martin Jensen
    Department of Growth and Reproduction, Copenhagen University Hospital Rigshospitalet, DK 2100 Copenhagen, Denmark
    Hum Reprod 19:65-70. 2004
    ..In this study, we explored a possible role of the polymerase gamma (POLG) gene polymorphism, recently reported to be associated with male infertility in some populations...
  37. ncbi request reprint Repeated validation of parental self-reported smoking during pregnancy and infancy: a prospective cohort study of infants at high risk for allergy development
    Anne E Christensen
    Department of Pediatrics, Odense University Hospital, Odense, Denmark
    Paediatr Perinat Epidemiol 18:73-9. 2004
    ..A structured interview combined with measurement of exhaled CO is a valid and reliable method for estimating ETS exposure to the fetus and young infant...
  38. ncbi request reprint Is human fecundity declining?
    Niels E Skakkebaek
    University Department of Growth and Reproduction, Rigshospitalet, DK 2100 Copenhagen, Denmark
    Int J Androl 29:2-11. 2006
    ..This research effort can hardly be carried out without major support from governments and granting agencies making it possible to fund collaborative projects within novel research networks of scientists...
  39. ncbi request reprint East-West gradient in semen quality in the Nordic-Baltic area: a study of men from the general population in Denmark, Norway, Estonia and Finland
    Niels Jørgensen
    Department of Growth and Reproduction, Rigshospitalet, The Juliane Marie Centre, Copenhagen, Denmark
    Hum Reprod 17:2199-208. 2002
    ....
  40. ncbi request reprint Parental age at delivery and a man's semen quality
    Lærke Priskorn
    University Department of Growth and Reproduction, Rigshospitalet, Copenhagen 2100, Denmark
    Hum Reprod 29:1097-102. 2014
    ..Is parental age at delivery associated with a man's semen quality?..
  41. ncbi request reprint Assisted reproductive technologies are an integrated part of national strategies addressing demographic and reproductive challenges
    Søren Ziebe
    Fertility Clinic, Rigshospitalet, Section 4071, University Hospital of Copenhagen, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
    Hum Reprod Update 14:583-92. 2008
    ..This review focuses on discussion surrounding how assisted reproductive technology (ART) can impact declining fertility rates...
  42. ncbi request reprint Primary testicular failure in Klinefelter's syndrome: the use of bivariate luteinizing hormone-testosterone reference charts
    Lise Aksglaede
    Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
    Clin Endocrinol (Oxf) 66:276-81. 2007
    ..The combined evaluation of serum LH and testosterone levels in the evaluation of testicular failure has not been widely advocated...
  43. ncbi request reprint Effects of occupational exposure on the reproductive system: core evidence and practical implications
    Alex Burdorf
    Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
    Occup Med (Lond) 56:516-20. 2006
  44. ncbi request reprint Alcohol consumption at the time of conception and spontaneous abortion
    Tine Brink Henriksen
    Perinatal Epidemiological Research Unit, Department of Obstetrics and Gynaecology, Aarhus University Hospital, Aarhus, Denmark
    Am J Epidemiol 160:661-7. 2004
    ..Only the adjusted relative risks for 10 or more drinks/week compared with no intake were statistically significant. Both male and female alcohol intakes during the week of conception increased the risk of early pregnancy loss...
  45. ncbi request reprint Studying time to pregnancy by use of a retrospective design
    Michael Joffe
    Department of Epidemiology and Public Health, School of Medicine, Imperial College, London, United Kingdom
    Am J Epidemiol 162:115-24. 2005
    ..Behavior change bias can be minimized by assessing the covariates at the beginning of unprotected intercourse. More complete inference is possible if the study design covers the whole population, not just those who achieve a pregnancy...
  46. doi request reprint Time trends in human fecundability in Sweden
    Thomas H Scheike
    Department of Biostatistics, University of Copenhagen, Denmark
    Epidemiology 19:191-6. 2008
    ..Possible negative trends in male reproductive health are still debated, and their effect on human fertility might be negligible. Time-to-pregnancy (TTP) is a functional measure of couple fecundability...
  47. ncbi request reprint Re: "Parental infertility and semen quality in male offspring: a follow-up study"
    Tina Kold Jensen
    Am J Epidemiol 166:1105. 2007
  48. doi request reprint The faroes statement: human health effects of developmental exposure to chemicals in our environment
    Philippe Grandjean
    Basic Clin Pharmacol Toxicol 102:73-5. 2008
  49. pmc Studying human fertility
    Michael Joffe
    Environ Health Perspect 112:A604-5; author reply A605-6. 2004
  50. ncbi request reprint Human fertility decline?
    Michael Joffe
    Epidemiology 17:238; author reply 238-9. 2006
  51. ncbi request reprint Prevalence of hypospadias in the same geographic region as ascertained by three different registries
    Paul Nelson
    Department of Epidemiology and Public Health, Imperial College School of Clinical Medicine, Norfolk Place, London W2 1PG
    Birth Defects Res A Clin Mol Teratol 79:685-7. 2007
    ..NCAR's utility could be improved if it returned to including "minor" hypospadias. Meanwhile routine data such as HES are potentially suitable for surveillance of this condition...
  52. pmc Sex ratio and time to pregnancy: analysis of four large European population surveys
    Mike Joffe
    Department of Epidemiology and Public Health, Imperial College, London W2 1PG
    BMJ 334:524. 2007
    ..Design Analysis of four large population surveys. Setting Denmark and the United Kingdom. Participants 49 506 pregnancies...