Research Topics
Species | Tina K JensenSummaryAffiliation: University of Southern Denmark Country: Denmark Publications
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Publications
High dietary intake of saturated fat is associated with reduced semen quality among 701 young Danish men from the general populationTina K Jensen
University Department of Growth and Reproduction, Rigshospitalet, 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...
[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...
Good semen quality and life expectancy: a cohort study of 43,277 menTina 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...
Declining trends in conception rates in recent birth cohorts of native Danish women: a possible role of deteriorating male reproductive healthTina 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...
Self-rated health and semen quality among 3,457 young Danish menTina 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...
Caffeine intake and semen quality in a population of 2,554 young Danish menTina 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...
Fertility treatment and reproductive health of male offspring: a study of 1,925 young men from the general populationTina 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...
The influence of occupational exposure on male reproductive functionTina 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...
Early exposure to smoking and future fecundity among Danish twinsT 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...
Time trends in waiting time to pregnancy among Danish twinsTina 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...
Effects of breast feeding on neuropsychological development in a community with methylmercury exposure from seafoodTina 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...
Poor semen quality may contribute to recent decline in fertility ratesTina 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...
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 countriesTina 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...
Body mass index in relation to semen quality and reproductive hormones among 1,558 Danish menTina 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...
Lower birth weight and increased body fat at school age in children prenatally exposed to modern pesticides: a prospective studyChristine 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...
Risk factors for congenital cryptorchidism in a prospective birth cohort studyIda 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...
Secular decline in male testosterone and sex hormone binding globulin serum levels in Danish population surveysAnna 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...
Cryptorchidism and maternal alcohol consumption during pregnancyIda 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...
Paraoxonase 1 polymorphism and prenatal pesticide exposure associated with adverse cardiovascular risk profiles at school ageHelle 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...
Serum inhibin B and follicle-stimulating hormone levels as tools in the evaluation of infertile men: significance of adequate reference values from proven fertile menAnna Maria Andersson
Department of Growth and Reproduction, Copenhagen University Hospital, DK 2100 Copenhagen, Denmark
J Clin Endocrinol Metab 89:2873-9. 2004....
Prenatal and adult exposures to smoking are associated with adverse effects on reproductive hormones, semen quality, final height and body mass indexTrine 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...
Impaired reproductive development in sons of women occupationally exposed to pesticides during pregnancyHelle 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...
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 menNiels 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...
Persistent pesticides in human breast milk and cryptorchidismIda 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...
Frequent polymorphism of the mitochondrial DNA polymerase gamma gene (POLG) in patients with normal spermiograms and unexplained subfertilityMartin 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...
Incidence and prevalence of nutritional and hereditary rickets in southern DenmarkSigne 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...
Early puberty in internationally adopted girls: hormonal and clinical markers of puberty in 276 girls examined biannually over two yearsGrete 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...
Nutritional rickets in Denmark: a retrospective review of children's medical records from 1985 to 2005Signe 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...
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 controlsGrete 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...
Increased risk of precocious puberty in internationally adopted children in DenmarkGrete 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...
Prevalence and incidence of precocious pubertal development in Denmark: an epidemiologic study based on national registriesGrete 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...
Repeated validation of parental self-reported smoking during pregnancy and infancy: a prospective cohort study of infants at high risk for allergy developmentAnne 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...
East-West gradient in semen quality in the Nordic-Baltic area: a study of men from the general population in Denmark, Norway, Estonia and FinlandNiels Jørgensen
Department of Growth and Reproduction, Rigshospitalet, The Juliane Marie Centre, Copenhagen, Denmark
Hum Reprod 17:2199-208. 2002....
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...
Assisted reproductive technologies are an integrated part of national strategies addressing demographic and reproductive challengesSøren 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...
Primary testicular failure in Klinefelter's syndrome: the use of bivariate luteinizing hormone-testosterone reference chartsLise 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...
Studying time to pregnancy by use of a retrospective designMichael 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...
Alcohol consumption at the time of conception and spontaneous abortionTine 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...
Re: "Parental infertility and semen quality in male offspring: a follow-up study"Tina Kold Jensen
Am J Epidemiol 166:1105. 2007
The faroes statement: human health effects of developmental exposure to chemicals in our environmentPhilippe Grandjean
Basic Clin Pharmacol Toxicol 102:73-5. 2008
Time trends in human fecundability in SwedenThomas 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...
Effects of occupational exposure on the reproductive system: core evidence and practical implicationsAlex Burdorf
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
Occup Med (Lond) 56:516-20. 2006
Studying human fertilityMichael Joffe
Environ Health Perspect 112:A604-5; author reply A605-6. 2004
Sex ratio and time to pregnancy: analysis of four large European population surveysMike 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...
Human fertility decline?Michael Joffe
Epidemiology 17:238; author reply 238-9. 2006
Prevalence of hypospadias in the same geographic region as ascertained by three different registriesPaul 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...
