- E-mailjorg.kessler@uib.no
- Visitor AddressHaukeland universitetssykehus, Laboratoriebygget5009 Bergen
- Postal AddressPostboks 78045020 Bergen
Academic article
- (2024). Placental pathology and neonatal morbidity: exploring the impact of gestational age at birth. BMC Pregnancy and Childbirth.
- (2023). Neonatal outcomes associated with time from a high fetal blood lactate concentration to operative delivery. Acta Obstetricia et Gynecologica Scandinavica. 1106-1114.
- (2023). Maternal physical activity affects yolk sac size and growth in early pregnancy, but girls and boys use different strategies. Scientific Reports. 13 pages.
- (2023). Is the fetus fit for labor? Introducing fast-and-frugal trees (FFTrees) to simplify triage of women for STAN monitoring: An interobserver agreement comparison with traditional classification. Acta Obstetricia et Gynecologica Scandinavica.
- (2023). Histologic chorioamnionitis in extremely preterm births, microbiological findings and infant outcome. Journal of Maternal-Fetal & Neonatal Medicine.
- (2022). Risk factors and recurrence of cause-specific postpartum hemorrhage: A population-based study. PLOS ONE. 1-18.
- (2022). Recurrence of postpartum hemorrhage, maternal and paternal contribution, and the effect of offspring birthweight and sex: a population-based cohort study. Archives of Gynecology and Obstetrics.
- (2022). Put your weight behind it—Effect of body mass index on the active second stage of labour: A retrospective cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. 2166-2174.
- (2022). Metformin exposure, maternal PCOS status and fetal venous liver circulation: A randomized, placebo-controlled study. PLOS ONE. 13 pages.
- (2022). Effect of maternal sleep on embryonic development. Scientific Reports. 11 pages.
- (2022). Association of placental and umbilical cord characteristics with cerebral palsy: a national cohort study. Ultrasound in Obstetrics and Gynecology.
- (2021). The influence of region of interest width in fetal 2D-speckle tracking echocardiography late in pregnancy. The International Journal of Cardiovascular Imaging.
- (2021). Sleep and physical activity from before conception to the end of pregnancy in healthy women: a longitudinal actigraphy study. Sleep Medicine. 89-98.
- (2021). Recurrence of postpartum hemorrhage in relatives: A population-based cohort study. Acta Obstetricia et Gynecologica Scandinavica. 2278-2284.
- (2021). Pre-gestational diabetes: Maternal body mass index and gestational weight gain are associated with augmented umbilical venous flow, fetal liver perfusion, and thus birthweight. PLOS ONE. 1-17.
- (2021). Placental histology predicted adverse outcomes in extremely premature neonates in Norway-population-based study. Acta Paediatrica. 8 pages.
- (2019). The fetal circadian rhythm in pregnancies complicated by pregestational diabetes is altered by maternal glycemic control and the morning cortisol concentration. Chronobiology International. 481-492.
- (2019). Single umbilical artery and risk of congenital malformations: a population-based study in Norway. Ultrasound in Obstetrics and Gynecology. 510-515.
- (2019). Isolated single umbilical artery and the risk of adverse perinatal outcome and third stage of labor complications: A population-based study. Acta Obstetricia et Gynecologica Scandinavica. 1-7.
- (2019). Altered development of fetal liver perfusion in pregnancies with pregestational diabetes. PLOS ONE.
- (2018). Maternal exercise, season and sex modify the daily fetal heart rate rhythm. Acta Physiologica. 1-15.
- (2018). Maternal diabetes alters the development of ductus venosus shunting in the fetus. Acta Obstetricia et Gynecologica Scandinavica. 1032-1040.
- (2018). Extreme umbilical cord lengths, cord knot and entanglement: Risk factors and risk of adverse outcomes, a population-based study. PLOS ONE. 1-20.
- (2018). Estimated date of delivery based on second trimester fetal head circumference: A population-based validation of 21 451 deliveries. Acta Obstetricia et Gynecologica Scandinavica. 101-105.
- (2016). Effect of uterine contractions on fetal heart rate in pregnancy: a prospective observational study. Acta Obstetricia et Gynecologica Scandinavica. 1129-1135.
- (2015). QRS abnormalities of the fetal electrocardiogram, and their implications for ST-interval analysis during labor. Acta Obstetricia et Gynecologica Scandinavica. 1128-1135.
- (2015). Intrapartum monitoring with cardiotocography and ST-waveform analysis in breech presentation: An observational study. BJOG: An International Journal of Obstetrics and Gynaecology. 528-535.
- (2015). Foetal Doppler abnormality is associated with increased risk of sepsis and necrotising enterocolitis in preterm infants. Acta Paediatrica. 368-376.
- (2014). It is time to introduce ST analysis for fetal monitoring in the labor ward? Acta Obstetricia et Gynecologica Scandinavica. 539-543.
- (2014). Delay in intervention increases neonatal morbidity in births monitored with cardiotocography and ST-waveform analysis. Acta Obstetricia et Gynecologica Scandinavica. 175-181.
- (2013). Intrapartum monitoring of high-risk deliveries with ST analysis of the fetal electrocardiogram: an observational study of 6010 deliveries. Acta Obstetricia et Gynecologica Scandinavica. 75-84.
- (2012). What is the gold standard for intrapartum fetal monitoring? Acta Obstetricia et Gynecologica Scandinavica. 1011-1014.
- (2011). Venous liver blood flow and regulation of human fetal growth: evidence from macrosomic fetuses. American Journal of Obstetrics and Gynecology. 429.e1-429.e7.
- (2009). Fetal growth restriction is associated with prioritization of umbilical blood flow to the left hepatic lobe at the expense of the right lobe. Pediatric Research. 113-117.
- (2008). Longitudinal Study of Umbilical and Portal Venous Blood flow to the Fetal Liver: Low Pregnancy Weight Gain is Associated With Preferential Supply to the Fetal Left Liver Lobe. Pediatric Research. 315-320.
- (2007). The left portal vein as an indicator of watershed in the fetal circulation: development during the second half of pregnancy and a suggested method of evaluation. Ultrasound in Obstetrics and Gynecology. 757-764.
- (2007). The fetal portal vein: normal blood flow development during the second half of human pregnancy. Ultrasound in Obstetrics and Gynecology. 52-60.
- (2006). Longitudinal reference ranges for ductus venosus flow velocities and waveform indices. Ultrasound in Obstetrics and Gynecology. 890-898.
- (2006). Fetal cardiac output, distribution to the placenta and impact of placental compromise. Ultrasound in Obstetrics and Gynecology. 126-136.
- (2006). Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise. Ultrasound in Obstetrics and Gynecology. 143-149.
- (2006). Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise. Ultrasound in Obstetrics and Gynecology. 143-149.
Report
- (2014). Veileder i fødselshjelp 2014. .
Academic lecture
- (2023). Duration of active second stage of labor in nulliparous women by fetal head position.
- (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure.
- (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure.
- (2022). Bruk vekta - effekten av kroppsmasseindeks på trykketida.
- (2005). Blutflussvolumen der fetalen Pfrtader im 2. und 3. Trimenon - eine langitudinelle Studie im Nidrigrisikokollektiv.
Reader opinion piece
- (2022). Ingen grunn til endring av anbefalinger om fosterovervåkning. Tidsskrift for Den norske legeforening. 2 pages.
- (2015). Helsedirektoratet gir feil anbefaling om bestemmelse av fosteralder. Tidsskrift for Den norske legeforening. 740-741.
- (2013). Admission CTG, is there any evidence from which to draw conclusions? Acta Obstetricia et Gynecologica Scandinavica. 870-870.
- (2007). Re: Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise - Reply. Ultrasound in Obstetrics and Gynecology. 101-102.
Letter to the editor
- (2022). Can a population study assess the impact of fetal monitoring technology? Acta Obstetricia et Gynecologica Scandinavica.
- (2019). True Cord Knot Means True Fetal Risk - Comment on the Title Image of Ultraschall in Med 2018; 39(02):127-128. Ultraschall in der Medizin.
- (2016). Why did the authors perform a meta-analysis of studies with primary endpoints they consider clinically unimportant? Acta Obstetricia et Gynecologica Scandinavica. 606-607.
- (2016). Biphasic ST should not be omitted from STAN clinical guidelines. Acta Obstetricia et Gynecologica Scandinavica. 116-116.
- (2014). On the evidence for intrapartum fetal monitoring with ECG-ST analysis. Acta Obstetricia et Gynecologica Scandinavica. 117-118.
Doctoral dissertation
- (2019). Maternal diabetes mellitus and fetal venous liver flow – a longitudinal study.
- (2018). Circadian rhythms of the fetal heart rate and heart rate variation in low-risk and pre-gestational diabetic pregnancies. Studies on long-term antenatal cardiotocographic recordings.
- (2007). Portal and umbilical venous distribution in the human fetus. A longitudinal ultrasound study.
Abstract
- (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure. Gynekologen. 50-50.
- (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure. Gynekologen. 50-50.
- (2022). Bruk vekta - effekten av kroppsmasseindeks på trykketida. Gynekologen.
- (2012). Rotation with Kiellands forceps - a safe alternative for delivery in trained hands. Acta Obstetricia et Gynecologica Scandinavica. 99-99.
- (2012). Management of fetal growth restriction at >= 36 weeks of gestation - what can be achieved by careful fetal monitoring? Acta Obstetricia et Gynecologica Scandinavica. 99-100.
- (2012). Is the fetal heart rate affected by uterine contractions during pregnancy? A pilot study. Acta Obstetricia et Gynecologica Scandinavica. 127-128.
- (2012). Intrapartum use of ST analysis of the fetal ECG (STAN) in fetal growth restriction. Acta Obstetricia et Gynecologica Scandinavica. 98-99.
- (2012). Induction of labor with single- versus double-balloon catheter - a randomized controlled trial. Acta Obstetricia et Gynecologica Scandinavica. 85-85.
- (2007). Longitudinal study of umbilical and portal venous blood flow to the human fetal liver: low pregnancy weight gain is associated with preferential supply to the left liver lobe. Early Human Development. S167-S168.
- (2005). Umbilical and portal blood flow in the 2nd and 3rd trimester - a longitudinal study in low-risk pregnancies. Pediatric Research. 1083.
Errata
- (2024). Correction to: Effect of maternal sleep on embryonic development (Scientific Reports, (2022), 12, 1, (17099), 10.1038/s41598-022-21516-6). Scientific Reports.
- (2023). Corrigendum to “Sleep and physical activity from before conception to the end of pregnancy in healthy women: A longitudinal actigraphy study” [Sleep Med 83 (2021) 89–98, (S1389945721002525), (10.1016/j.sleep.2021.04.028)]. Sleep Medicine. 160.
Academic literature review
- (2023). Double-vs single-balloon catheter for induction of labor: Systematic review and individual participant data meta-analysis. Acta Obstetricia et Gynecologica Scandinavica. 1440-1449.
- (2019). Fetal monitoring in term breech labor – a review . European Journal of Obstetrics, Gynecology, and Reproductive Biology. 45-51.
- (2014). A critical appraisal of the evidence for using cardiotocography plus ECG ST interval analysis for fetal surveillance in labor. Part II: The meta-analyses. Acta Obstetricia et Gynecologica Scandinavica. 571-586.
- (2014). A critical appraisal of the evidence for using cardiotocography plus ECG ST interval analysis for fetal surveillance in labor. Part I: The randomized controlled trials. Acta Obstetricia et Gynecologica Scandinavica. 556-568.
Chapter
- (1998). Ultralydundersøkelser i den alminnelige svangerskapsomsorgen. . In:
- (1998). Veileder i fødselshjelp. Norsk gynekologisk forening. Den norske lægeforening.
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