Niels Uldbjerg

Department of Clinical Medicine, Aarhus University

Affiliated withAarhus University Aarhus University Hospital

Research Area

Biography

2018 - Deputy chair, Institute of Clinical Medicine, Aarhus

2013 - 18 : Honorary Professor, University of Aalborg

2009-2010: Visiting professor, Perinatology Reseach Branch, Wayne State University, 3990 John R, Detroit, Michigan 48201

2004 - : Professor, Dept Obstetrics and Gynecology, Aarhus Univeristy Hospital, Skejby

1993 - : Consultant, Dept Obstetrics and Gynecology, Aarhus Univeristy Hospital, Skejby

1989: DMSc, University of aarhus

1980-1982: Research fellow, Insitutute of Medical Biochemisty, University of Lund, Sweden

1980: M.D. University of Aarhus

JoVE Journal Publications

ArticleTotal : 1	Year
Publication title Cited by 6	2020

Other Publications

Article	Year
Antimicrobial factors in the cervical mucus plug. American journal of obstetrics and gynecology\| PubMed ID: 12114901	2002
S-relaxin as a predictor of preterm delivery in women with symptoms of preterm labour. BJOG : an international journal of obstetrics and gynaecology\| PubMed ID: 12269692	2002
Dynamics of Streptococcus agalactiae colonization in women during and after pregnancy and in their infants. Journal of clinical microbiology\| PubMed ID: 14715736	2004
The influence of amphotericin B and neomycin on the effect of human relaxin-2 on foetal membranes and isolated myometrium. Basic & clinical pharmacology & toxicology\| PubMed ID: 15025631	2004
Preterm delivery predicted by soluble CD163 and CRP in women with symptoms of preterm delivery. BJOG : an international journal of obstetrics and gynaecology\| PubMed ID: 15924529	2005
Immunoglobulin levels and phagocytes in the cervical mucus plug at term of pregnancy. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 16026397	2005
Elective caesarean section and respiratory morbidity in the term and near-term neonate. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 17486457	2007
Risk of respiratory morbidity in term infants delivered by elective caesarean section: cohort study. BMJ (Clinical research ed.)\| PubMed ID: 18077440	2008
Improved performance of first-trimester combined screening for trisomy 21 with the double test taken before a gestational age of 10 weeks. Prenatal diagnosis\| PubMed ID: 18677711	2008
Performance of first-trimester combined screening for trisomy 13 and 18 with the double test taken at a gestational age of 8 + 0 to 13 + 6. Prenatal diagnosis\| PubMed ID: 19288457	2009
The cervical mucus plug: structured review of the literature. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 19330570	2009
Circulating relaxin and cervical length in midpregnancy are independently associated with spontaneous preterm birth. American journal of obstetrics and gynecology\| PubMed ID: 19481729	2009
Risk of selected postpartum infections after cesarean section compared with vaginal birth: a five-year cohort study of 32,468 women. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 19642043	2009
Repeated spontaneous pregnancies in 45,X Turner syndrome. Obstetrics and gynecology\| PubMed ID: 20093875	2010
High-resolution ex vivo magnetic resonance angiography: a feasibility study on biological and medical tissues. BMC physiology\| PubMed ID: 20226038	2010
Collagen concentration and biomechanical properties of samples from the lower uterine cervix in relation to age and parity in non-pregnant women. Reproductive biology and endocrinology : RB&E\| PubMed ID: 20604933	2010
Cervical collagen and biomechanical strength in non-pregnant women with a history of cervical insufficiency. Reproductive biology and endocrinology : RB&E\| PubMed ID: 20673361	2010
PAPP-A, free β-hCG, and early fetal growth identify two pathways leading to preterm delivery. Prenatal diagnosis\| PubMed ID: 20721873	2010
Biology of pregnancy-associated plasma protein-A in relation to prenatal diagnostics: an overview. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 20804336	2010
Matrix metalloproteinases in the cervical mucus plug in relation to gestational age, plug compartment, and preterm labor. Reproductive biology and endocrinology : RB&E\| PubMed ID: 20868473	2010
Color Doppler myocardial imaging demonstrates reduced diastolic tissue velocity in growth retarded fetuses with flow redistribution. European journal of obstetrics, gynecology, and reproductive biology\| PubMed ID: 21256662	2011
PAPP-A and free β-hCG measured prior to 10 weeks is associated with preterm delivery and small-for-gestational-age infants. Prenatal diagnosis\| PubMed ID: 21268036	2011
Low serum interleukin-17 is associated with preterm delivery. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 21275921	2011
Obesity, diabetes, and the risk of infections diagnosed in hospital and post-discharge infections after cesarean section: a prospective cohort study. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 21306347	2011
Protein profiling underscores immunological functions of uterine cervical mucus plug in human pregnancy. Journal of proteomics\| PubMed ID: 21362502	2011
PAPP-A and free β-hCG in relation to admission to neonatal intensive care unit and neonatal disease. Prenatal diagnosis\| PubMed ID: 22021032	2011
Cervical collagen concentration within 15 months after delivery. American journal of obstetrics and gynecology\| PubMed ID: 22088899	2011
Feasibility and clinical effects of laparoscopic abdominal cerclage: an observational study. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 22974182	2012
Effect of self-hypnosis on duration of labor and maternal and neonatal outcomes: a randomized controlled trial. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 23550694	2013
Caesarean section: in good surgical skills we trust. Lancet (London, England)\| PubMed ID: 23721755	2013
Electrohysterography of labor contractions: propagation velocity and direction. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 23730731	2013
Trial of labor compared to repeat cesarean section in women with no other risk factors than a prior cesarean delivery. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 23962339	2013
Quantitative sonoelastography of the uterine cervix by interposition of a synthetic reference material. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 24032689	2013
The cervical mucus plug inhibits, but does not block, the passage of ascending bacteria from the vagina during pregnancy. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 24266587	2014
Antenatal hypnosis training and childbirth experience: a randomized controlled trial. Birth (Berkeley, Calif.)\| PubMed ID: 24344708	2013
Randomised trial of planned caesarean section prior to versus after 39 weeks: unscheduled deliveries and facility logistics--a secondary analysis. PloS one\| PubMed ID: 24376842	2013
Data resource profile: the Aarhus birth cohort biobank (ABC biobank). International journal of epidemiology\| PubMed ID: 24415608	2013
Velocity and directionality of the electrohysterographic signal propagation. PloS one\| PubMed ID: 24466235	2014
The cell-free fetal DNA fraction in maternal blood decreases after physical activity. Prenatal diagnosis\| PubMed ID: 24496666	2014
Quantitative elastography of the uterine cervix requires a reference material-Reply. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 24576040	2014
Cervical stiffness evaluated in vivo by endoflip in pregnant women. PloS one\| PubMed ID: 24603859	2014
Quantitative sonoelastography of the uterine cervix prior to induction of labor as a predictor of cervical dilation time. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 24702544	2014
Seasonal variation of dystocia in a large Danish cohort. PloS one\| PubMed ID: 24736600	2014
Sex bias in ultrasound measures of gestational age: assessment by sex ratio in post-term births. Epidemiology (Cambridge, Mass.)\| PubMed ID: 24807697	2014
MR angiography demonstrates a positive correlation between placental blood vessel volume and fetal size. Archives of gynecology and obstetrics\| PubMed ID: 25033715	2014
Identification of biomechanical properties in vivo in human uterine cervix. Journal of the mechanical behavior of biomedical materials\| PubMed ID: 25084120	2014
Copeptin is not a useful biomarker for small-for-gestational-age: a case control study. Scandinavian journal of clinical and laboratory investigation\| PubMed ID: 25120188	2014
Ten years of experience with first-trimester screening for fetal aneuploidy employing biochemistry from gestational weeks 6+0 to 13+6. Fetal diagnosis and therapy\| PubMed ID: 25138113	2015
Fetal gender and several cytokines are associated with the number of fetal cells in maternal blood--an observational study. PloS one\| PubMed ID: 25188498	2014
[Induction of labor for post-term pregnancy saves lives]. Ugeskrift for laeger\| PubMed ID: 25557445	2015
The Danish Fetal Medicine Database: establishment, organization and quality assessment of the first trimester screening program for trisomy 21 in Denmark 2008-2012. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 25597330	2015
Elective cesarean delivery at 38 and 39 weeks: neonatal and maternal risks. Current opinion in obstetrics & gynecology\| PubMed ID: 25689238	2015
Oxytocin-augmented labor and risk for autism in males. Behavioural brain research\| PubMed ID: 25707712	2015
First trimester screening for other trisomies than trisomy 21, 18, and 13. Prenatal diagnosis\| PubMed ID: 25708180	2015
Polymorphisms in Genes Coding for Cytokines, Mannose-Binding Lectin, Collagen Metabolism and Thrombophilia in Women with Cervical Insufficiency. Gynecologic and obstetric investigation\| PubMed ID: 26088544	2016
Only a minority of sex chromosome abnormalities are detected by a national prenatal screening program for Down syndrome. Human reproduction (Oxford, England)\| PubMed ID: 26251461	2015
Serum perfluoroalkyl acids and time to pregnancy in nulliparous women. Environmental research\| PubMed ID: 26282225	2015
[Caesarean section on maternal request]. Ugeskrift for laeger\| PubMed ID: 26324288	2015
Placental oxygen transport estimated by the hyperoxic placental BOLD MRI response. Physiological reports\| PubMed ID: 26471757	2015
The Number of Endovascular Trophoblasts in Maternal Blood Increases Overnight and after Physical Activity: An Experimental Study. Fetal diagnosis and therapy\| PubMed ID: 26485124	2016
Prenatal diagnosis of Nager syndrome in a 12-week-old fetus with a whole gene deletion of SF3B4 by chromosomal microarray. European journal of medical genetics\| PubMed ID: 26679067	2016
Distensibility and pain of the uterine cervix evaluated by novel techniques. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 26946059	2016
Reduced placental oxygenation during subclinical uterine contractions as assessed by BOLD MRI. Placenta\| PubMed ID: 26992669	2016
Response to letter to the editor regarding "Serum perfluoroalkyl acids and time to pregnancy in nulliparous women". Environmental research\| PubMed ID: 27040411	2016
Concentrations of Adalimumab and Infliximab in Mothers and Newborns, and Effects on Infection. Gastroenterology\| PubMed ID: 27063728	2016
[Pregnant women can also get cancer]. Ugeskrift for laeger\| PubMed ID: 27094630	2016
Human Papillomavirus Infection as a Possible Cause of Spontaneous Abortion and Spontaneous Preterm Delivery. Infectious diseases in obstetrics and gynecology\| PubMed ID: 27110088	2016
Treatment of bacterial vaginosis in pregnancy in order to reduce the risk of spontaneous preterm delivery - a clinical recommendation. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 27258798	2016
Repeatability of Junctional Zone Measurements Using 3-Dimensional Transvaginal Sonography in Healthy Fertile Women. Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine\| PubMed ID: 27269003	2016
Targeted, homology-driven gene insertion in stem cells by ZFN-loaded 'all-in-one' lentiviral vectors. eLife\| PubMed ID: 27278774	2016
Two maternal duplications involving the CDKN1C gene are associated with contrasting growth phenotypes. Clinical epigenetics\| PubMed ID: 27313795	2016
Trefoil factor peptide 3 is positively correlated with the viscoelastic properties of the cervical mucus plug. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 27731893	2017
Genome-wide copy number analysis on DNA from fetal cells isolated from the blood of pregnant women. Prenatal diagnosis\| PubMed ID: 27761919	2016
Megalin Is Predominantly Observed in Vesicular Structures in First and Third Trimester Cytotrophoblasts of the Human Placenta. The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society\| PubMed ID: 27798286	2016
Short- and long-term perinatal outcome in twin pregnancies affected by weight discordance. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 27861703	2017
Appreciable uncertainty regarding benefits and risks in the treatment of bacterial vaginosis to prevent preterm birth. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 27935630	2017
Prediction of low birth weight: Comparison of placental T2* estimated by MRI and uterine artery pulsatility index. Placenta\| PubMed ID: 28012454	2017
Neonatal morbidity after spontaneous labor onset prior to intended cesarean delivery at term: a cohort study. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 28100003	2017
Topical application of recombinant activated factor VII during cesarean delivery for placenta previa. American journal of obstetrics and gynecology\| PubMed ID: 28219621	2017
Cervical collagen is reduced in non-pregnant women with a history of cervical insufficiency and a short cervix. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 28374904	2017
Temporal trends of lipophilic persistent organic pollutants in serum from Danish nulliparous pregnant women 2011-2013. Environmental science and pollution research international\| PubMed ID: 28432626	2017
The chinchilla as a novel animal model of pregnancy. Royal Society open science\| PubMed ID: 28484627	2017
Erratum to: Temporal trends of lipophilic persistent organic pollutants in serum from Danish nulliparous pregnant women 2011-2013. Environmental science and pollution research international\| PubMed ID: 28616735	2017
Fetal cells in maternal blood for prenatal diagnosis: a love story rekindled. Biomarkers in medicine\| PubMed ID: 28617034	2017
Risk-based screening combined with a PCR-based test for group B streptococci diminishes the use of antibiotics in laboring women. European journal of obstetrics, gynecology, and reproductive biology\| PubMed ID: 28645088	2017
Intrapartum PCR assay versus antepartum culture for assessment of vaginal carriage of group B streptococci in a Danish cohort at birth. PloS one\| PubMed ID: 28678829	2017
Human papillomavirus infects placental trophoblast and Hofbauer cells, but appears not to play a causal role in miscarriage and preterm labor. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 28699189	2017
Effects of context-aware patient guidance on blood pressure self-measurement adherence levels. Health informatics journal\| PubMed ID: 28701078	2019
On the road to replacing invasive testing with cell-based NIPT: Five clinical cases with aneuploidies, microduplication, unbalanced structural rearrangement, or mosaicism. Prenatal diagnosis\| PubMed ID: 28881392	2017
Cerebral Oxygenation Measurements by Magnetic Resonance Imaging in Fetuses With and Without Heart Defects. Circulation. Cardiovascular imaging\| PubMed ID: 29141840	2017
Pregnant women's choice of birthing hospital: A qualitative study on individuals' preferences. Women and birth : journal of the Australian College of Midwives\| PubMed ID: 29198502	2018
Placental baseline conditions modulate the hyperoxic BOLD-MRI response. Placenta\| PubMed ID: 29277267	2018
Corrigendum to "Risk-based screening combined with a PCR-based test for group B streptococci diminishes the use of antibiotics in laboring women" [Eur J Obstet Gynecol Reprod Biol 215 (Augus... European journal of obstetrics, gynecology, and reproductive biology\| PubMed ID: 29311007	2018
Human Cervical Mucus Plugs Exhibit Insufficiencies in Antimicrobial Activity Towards Group B Streptococcus. The Journal of infectious diseases\| PubMed ID: 29425317	2018
Development of the TeamOBS-PPH - targeting clinical performance in postpartum hemorrhage. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 29485679	2018
Number of colony forming units in urine at 35-37 weeks' gestation as predictor of the vaginal load of Group B Streptococci at birth. European journal of obstetrics, gynecology, and reproductive biology\| PubMed ID: 29500947	2018
Prevalence of xenobiotic substances in first-trimester blood samples from Danish pregnant women: a cross-sectional study. BMJ open\| PubMed ID: 29502084	2018
Group B streptococci cultured in urine during pregnancy associated with preterm delivery: a selection problem? The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians\| PubMed ID: 29595087	2019
Does free choice of hospital conflict with equity of access to highly specialized hospitals? A case study from the Danish health care system. Health policy (Amsterdam, Netherlands)\| PubMed ID: 29706507	2018
Women's Preferences for Birthing Hospital in Denmark: A Discrete Choice Experiment. The patient\| PubMed ID: 29766464	2018
Reducing the number of obstetrical beds by challenging traditions. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 29777635	2018
Environmental tobacco smoke exposure during pregnancy has limited effect on infant birthweight and umbilical vein endothelial nitric oxide synthase. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 29969842	2018
Tinzaparin for the treatment of foetal growth retardation: An open-labelled randomized clinical trial. Thrombosis research\| PubMed ID: 30114561	2018
Discontinuation of intravenous oxytocin in the active phase of induced labour. The Cochrane database of systematic reviews\| PubMed ID: 30125998	2018
Does Maternal Body Mass Index Affect the Quantity of Circulating Fetal Cells Available to Use for Cell-Based Noninvasive Prenatal Test in High-Risk Pregnancies? Fetal diagnosis and therapy\| PubMed ID: 30199860	2019
Automated blood pressure self-measurement station compared to office blood pressure measurement for first trimester screening of pre-eclampsia. Health informatics journal\| PubMed ID: 30253712	2019
Prognosis for pregnancies with trisomy 16 confined to the placenta: A Danish cohort study. Prenatal diagnosis\| PubMed ID: 30328629	2018
Risk-based approach versus culture-based screening for identification of group B streptococci among women in labor. International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics\| PubMed ID: 30467848	2019
Functional autoantibodies against Endothelin-1 receptor type A and Angiotensin II receptor type 1 in patients with preeclampsia. Pregnancy hypertension\| PubMed ID: 30527110	2018
Women's experiences of postterm induction of labor: A systematic review of qualitative studies. Birth (Berkeley, Calif.)\| PubMed ID: 30561053	2019
Use of alternative medicine, ginger and licorice among Danish pregnant women - a prospective cohort study. BMC complementary and alternative medicine\| PubMed ID: 30611269	2019
Fetal Heart Defects and Measures of Cerebral Size. The Journal of pediatrics\| PubMed ID: 30961987	2019
Noise as a risk factor in the delivery room: A clinical study. PloS one\| PubMed ID: 31469866	2019
CONDISOX- continued versus discontinued oxytocin stimulation of induced labour in a double-blind randomised controlled trial. BMC pregnancy and childbirth\| PubMed ID: 31477047	2019
Screening for small-for-gestational-age fetuses. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 31670396	2019
Sertraline use during pregnancy and effect on fetal cardiac function. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians\| PubMed ID: 31718339	2019
Non-obstetric abdominal surgery during pregnancy and birth outcomes: A Danish registry-based cohort study. Acta obstetricia et gynecologica Scandinavica\| PubMed ID: 31774546	2019
Ex Vivo Human Placenta Perfusion, Metabolic and Functional Imaging for Obstetric Research-A Feasibility Study. Tomography (Ann Arbor, Mich.)\| PubMed ID: 31893231	2019
Filming for auditing of real-life emergency teams: a systematic review. BMJ open quality\| PubMed ID: 31909207	2019
Neonatal complications and neurophysiological development in twins - a long-term follow-up study. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians\| PubMed ID: 31986942	2020
Cesarean scar thickness in non-pregnant women as a risk factor for uterine rupture. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians\| PubMed ID: 31992102	2020