Vitenskapelig artikkel

• Grindheim, Sindre; Iversen, Johanne Kolvik von Ely; Hill, Stig et al. (2025). Reverse Løvset maneuver for shoulder dystocia. (ekstern lenke)
• Grindheim, Sindre; Volløyhaug, Ingrid; Siafarikas, Franziska et al. (2025). Impact of delivery indication on levator ani muscle avulsion in forceps- and vacuum-assisted deliveries: prospective cohort study. (ekstern lenke)
• Nordtvedt, Emma; Kessler, Jørg; Ebbing, Cathrine et al. (2025). Placental and cerebral circulation in fetuses of mothers with polycystic ovary syndrome and the effect of Metformin exposure. (ekstern lenke)
• Kessler, Jørg; Tappert, Christian; Rossen, Janne et al. (2025). Implementation of the Intrapartum Cesarean Delivery Classification System: a prospective observational study. (ekstern lenke)
• Austad, Fride Efjestad; Kessler, Jørg; Magnussen, Elisabeth Balstad et al. (2025). Outpatient Versus Inpatient Induction of Labour With Oral Misoprostol: A Multicentre Randomised-Controlled Trial. (ekstern lenke)
• Berge, Magnus Bollum; Jacobsen, Anne Flem; Yli, Branka Markovic et al. (2025). A direct comparison of the diagnostic accuracy of ST segment analysis (STAN) and fetal scalp blood sample lactate: A population-based observational study. (ekstern lenke)
• Grindheim, Sindre; Rasmussen, Svein; Iversen, Johanne Kolvik von Ely et al. (2025). Influence of instrument choice on fear of childbirth after assisted vaginal delivery: A secondary analysis of the Bergen birth study. (ekstern lenke)
• Ebbing, Cathrine; Halmøy, Anne; Rasmussen, Svein et al. (2025). Umbilical cord length and neurodevelopmental disorders, a national cohort study. (ekstern lenke)
• Berge, Magnus; Kessler, Jørg; Staff, Annetine et al. (2025). The diagnostic accuracy of different fetal blood sample lactate cutoffs in labor, utilizing the StatStrip Xpress® lactate-meter: A population-based observational study. (ekstern lenke)
• Bergøy, Øystein; Kiserud, Torvid; Kessler, Jørg et al. (2024). Ultrasound visualization and blood flow velocity measurements of the adrenal arteries in the fetus. (ekstern lenke)
• Eide, Birgitte; Sande, Ragnar; Von, Brandis Philip et al. (2024). Associations between fetal position at delivery and duration of active phase of labor: A historical cohort study. (ekstern lenke)
• Budal, Elisabeth Berge; Kessler, Jørg; Eide, Geir Egil et al. (2024). Placental pathology and neonatal morbidity: exploring the impact of gestational age at birth. (ekstern lenke)
• Mørch, Johannes Kjartansson; Kolnes, Elisabeth Horne; Greve, Gottfried et al. (2024). Increasing region of interest width reduces neonatal circumferential strain. (ekstern lenke)
• Budal, Elisabeth Berge; Bentsen, Mariann; Kessler, Jørg et al. (2023). Histologic chorioamnionitis in extremely preterm births, microbiological findings and infant outcome. (ekstern lenke)
• Vietheer, Alexander; Kiserud, Torvid; Ebbing, Cathrine et al. (2023). Maternal physical activity affects yolk sac size and growth in early pregnancy, but girls and boys use different strategies. (ekstern lenke)
• Pereira, Susana; Bakker, Petra; Zaima, Ahmed et al. (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. (ekstern lenke)
• Berge, Magnus Bollum; Kessler, Jørg; Yli, Branislava Markovic et al. (2023). Neonatal outcomes associated with time from a high fetal blood lactate concentration to operative delivery. (ekstern lenke)
• Ebbing, Cathrine; Rasmussen, Svein; Kessler, Jørg et al. (2022). Association of placental and umbilical cord characteristics with cerebral palsy: a national cohort study. (ekstern lenke)
• Linde, Lorentz Erland; Ebbing, Cathrine; Moster, Dag et al. (2022). Recurrence of postpartum hemorrhage, maternal and paternal contribution, and the effect of offspring birthweight and sex: a population-based cohort study. (ekstern lenke)
• Vietheer, Alexander; Kiserud, Torvid; Haaland, Øystein Ariansen et al. (2022). Effect of maternal sleep on embryonic development. (ekstern lenke)
• Grindheim, Sindre; Ebbing, Cathrine; Karlsen, Henriette Odland et al. (2022). Metformin exposure, maternal PCOS status and fetal venous liver circulation: A randomized, placebo-controlled study. (ekstern lenke)
• Linde, Lorentz Erland; Rasmussen, Svein; Moster, Dag et al. (2022). Risk factors and recurrence of cause-specific postpartum hemorrhage: A population-based study. (ekstern lenke)
• Østborg, Tilde Broch; Sande, Ragnar; Kessler, Jørg et al. (2022). Put your weight behind it—Effect of body mass index on the active second stage of labour: A retrospective cohort study. (ekstern lenke)
• Linde, Lorentz Erland; Ebbing, Cathrine; Moster, Dag et al. (2021). Recurrence of postpartum hemorrhage in relatives: A population-based cohort study. (ekstern lenke)
• Omdal, Tom Roar; Khan, Muhammad Umael; Ebbing, Cathrine et al. (2021). The influence of region of interest width in fetal 2D-speckle tracking echocardiography late in pregnancy. (ekstern lenke)
• Vietheer, Alexander; Kiserud, Torvid; Lie, Rolv Terje et al. (2021). Sleep and physical activity from before conception to the end of pregnancy in healthy women: a longitudinal actigraphy study. (ekstern lenke)
• Budal, Elisabeth Berge; Ebbing, Cathrine; Kessler, Jørg et al. (2021). Placental histology predicted adverse outcomes in extremely premature neonates in Norway-population-based study. (ekstern lenke)
• Lund, Agnethe; Ebbing, Cathrine; Rasmussen, Svein et al. (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. (ekstern lenke)
• Sletten, Julie; Lund, Agnethe; Ebbing, Cathrine et al. (2019). The fetal circadian rhythm in pregnancies complicated by pregestational diabetes is altered by maternal glycemic control and the morning cortisol concentration. (ekstern lenke)
• Ebbing, Cathrine; Kessler, Jørg; Moster, Dag et al. (2019). Isolated single umbilical artery and the risk of adverse perinatal outcome and third stage of labor complications: A population-based study.. (ekstern lenke)
• Ebbing, Cathrine; Kessler, Jørg; Moster, Dag et al. (2019). Single umbilical artery and risk of congenital malformations: a population-based study in Norway.. (ekstern lenke)
• Lund, Agnethe; Ebbing, Cathrine; Rasmussen, Svein et al. (2019). Altered development of fetal liver perfusion in pregnancies with pregestational diabetes. (ekstern lenke)
• Linde, Lorentz Erland; Rasmussen, Svein; Kessler, Jørg et al. (2018). Extreme umbilical cord lengths, cord knot and entanglement: Risk factors and risk of adverse outcomes, a population-based study. (ekstern lenke)
• Lund, Agnethe; Ebbing, Cathrine; Rasmussen, Svein et al. (2018). Maternal diabetes alters the development of ductus venosus shunting in the fetus. (ekstern lenke)
• Kessler, Jørg; Johnsen, Synnøve Lian; Ebbing, Cathrine et al. (2018). Estimated date of delivery based on second trimester fetal head circumference: A population-based validation of 21 451 deliveries. (ekstern lenke)
• Sletten, Julie; Cornélissen, Germaine; Assmus, Jörg et al. (2018). Maternal exercise, season and sex modify the daily fetal heart rate rhythm. (ekstern lenke)
• Sletten, Julie; Kiserud, Torvid; Kessler, Jørg (2016). Effect of uterine contractions on fetal heart rate in pregnancy: a prospective observational study. (ekstern lenke)
• Eger, Siw Helen; Kessler, Jørg; Kiserud, Torvid et al. (2015). Foetal Doppler abnormality is associated with increased risk of sepsis and necrotising enterocolitis in preterm infants. (ekstern lenke)
• Kessler, Jørg; Moster, Dag; Albrechtsen, Susanne (2015). Intrapartum monitoring with cardiotocography and ST-waveform analysis in breech presentation: An observational study. (ekstern lenke)
• Sletten, Julie; Kessler, Jørg (2015). QRS abnormalities of the fetal electrocardiogram, and their implications for ST-interval analysis during labor. (ekstern lenke)
• Visser, Gerard H.A.; Kessler, Jørg (2014). It is time to introduce ST analysis for fetal monitoring in the labor ward?. (ekstern lenke)
• Kessler, Jørg; Moster, Dag; Albrechtsen, Susanne (2014). Delay in intervention increases neonatal morbidity in births monitored with cardiotocography and ST-waveform analysis. (ekstern lenke)
• Kessler, Jørg; Moster, Dag; Albrechtsen, Susanne (2013). Intrapartum monitoring of high-risk deliveries with ST analysis of the fetal electrocardiogram: an observational study of 6010 deliveries. (ekstern lenke)
• Yli, Branislava Markovic; Kessler, Jørg; Eikeland, Torunn et al. (2012). What is the gold standard for intrapartum fetal monitoring?. (ekstern lenke)
• Kessler, Jørg; Rasmussen, Svein; Godfrey, Keith et al. (2011). Venous liver blood flow and regulation of human fetal growth: evidence from macrosomic fetuses. (ekstern lenke)
• Kessler, Jörg; Rasmussen, Svein Arvid; Godfrey, Keith et al. (2009). Fetal growth restriction is associated with prioritization of umbilical blood flow to the left hepatic lobe at the expense of the right lobe. (ekstern lenke)
• Kessler, Jørg; Rasmussen, Svein; Godfrey, Keith M. et al. (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. (ekstern lenke)
• Kessler, Jørg; Rasmussen, Svein; Kiserud, Torvid (2007). The fetal portal vein: normal blood flow development during the second half of human pregnancy. (ekstern lenke)
• Kessler, J; Rasmussen, Svein Arvid; Kiserud, T (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. (ekstern lenke)
• Kiserud, Torvid; Ebbing, C; Kessler, J et al. (2006). Fetal cardiac output, distribution to the placenta and impact of placental compromise. (ekstern lenke)
• Kiserud, Torvid; Kessler, J; Ebbing, C et al. (2006). Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise. (ekstern lenke)
• Kessler, J; Rasmussen, Svein Arvid; Hanson, M et al. (2006). Longitudinal reference ranges for ductus venosus flow velocities and waveform indices. (ekstern lenke)
• Kiserud, Torvid; Kessler, Jørg; Ebbing, Cathrine et al. (2006). Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise. (ekstern lenke)

Leserinnlegg

• Grindheim, Sindre; Rasmussen, Svein; Iversen, Johanne Kolvik von Ely et al. (2025). Instrument selection in assisted vaginal delivery, when spontaneous vaginal delivery is no longer an option. (ekstern lenke)
• Kessler, Jørg; Grindheim, Sindre; Iversen, Johanne Kolvik von Ely (2024). The conclusion of CTG overuse is not justified. (ekstern lenke)
• Kessler, Jørg; Eggebø, Torbjørn Moe; Jacobsen, Anne Flem et al. (2022). Can a population study assess the impact of fetal monitoring technology?. (ekstern lenke)
• Kessler, Jørg; Yli, Branislava Markovic; Overrein, Heidi et al. (2022). Ingen grunn til endring av anbefalinger om fosterovervåkning. (ekstern lenke)
• Ebbing, Cathrine; Rasmussen, Svein; Kessler, Jørg (2019). True Cord Knot Means True Fetal Risk - Comment on the Title Image of Ultraschall in Med 2018; 39(02):127-128.. (ekstern lenke)
• Kessler, Jørg; Yli, Branislava Markovic (2016). Biphasic ST should not be omitted from STAN clinical guidelines. (ekstern lenke)
• Kessler, Jørg; Yli, Branislava Markovic; Stray-Pedersen, Babill et al. (2016). Why did the authors perform a meta-analysis of studies with primary endpoints they consider clinically unimportant?. (ekstern lenke)
• Ebbing, Cathrine; Johnsen, Synnøve Lian; Kessler, Jørg et al. (2015). Helsedirektoratet gir feil anbefaling om bestemmelse av fosteralder. (ekstern lenke)
• Devoe, Lawrence; Olofsson, Per; Ayres-De-Campos, Diogo et al. (2014). On the evidence for intrapartum fetal monitoring with ECG-ST analysis. (ekstern lenke)
• Kessler, Jørg; Yli, Branislava Markovic (2013). Admission CTG, is there any evidence from which to draw conclusions?. (ekstern lenke)
• Kiserud, Torvid; Kessler, Jørg; Ebbing, Cathrine et al. (2007). Re: Ductus venosus shunting in growth-restricted fetuses and the effect of umbilical circulatory compromise - Reply. (ekstern lenke)

Annet

• Sørbye, Ingvil Krarup; Gunnes, Nina; Solhoff, Aslak Vimme et al. (2025). Multicentre double-blind randomised placebo-controlled four-arm trial to assess the effect of oral sodium bicarbonate and intravenous hyoscine butylbromide on spontaneous delivery after induction of labour in nulliparous women: Protocol for the Safe Induction of Labour Trial (SAINT). (ekstern lenke)

Errata

• Vietheer, Alexander; Kiserud, Torvid; Haaland, Øystein Ariansen et al. (2024). Correction to: Effect of maternal sleep on embryonic development (Scientific Reports, (2022), 12, 1, (17099), 10.1038/s41598-022-21516-6). (ekstern lenke)
• Vietheer, Alexander; Kiserud, Torvid; Lie, Rolv T. et al. (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)]. (ekstern lenke)

Leder

• Baalman, Jelle Hendrik; Bergholt, Thomas; Lazaga, Ana Pilar Betran et al. (2024). Prospective Structured Perinatal Audit and the Ten Group Classification System: Essential for understanding and improving childbirth. (ekstern lenke)

Vitenskapelig oversiktsartikkel/review

• Peel, Morgan D.; Croll, Doortje M. R.; Kessler, Jørg et al. (2023). Double-vs single-balloon catheter for induction of labor: Systematic review and individual participant data meta-analysis. (ekstern lenke)
• Jettestad, Marte Christine; Schiøtz, Hjalmar A.; Yli, Branislava Markovic et al. (2019). Fetal monitoring in term breech labor – a review. (ekstern lenke)
• Olofsson, Per; Ayres-De-Campos, Diogo; Kessler, Jørg et al. (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. (ekstern lenke)
• Olofsson, Per; Ayres-De-Campos, Diogo; Kessler, Jørg et al. (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. (ekstern lenke)

Vitenskapelig foredrag

• Eide, BM; Sande, Ragnar; Kessler, Jørg et al. (2023). Duration of active second stage of labor in nulliparous women by fetal head position. (ekstern lenke)
• Nordtvedt, Emma; Kessler, Jørg; Acharya, Ganesh Prasad et al. (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure. (ekstern lenke)
• Østborg, Tilde Broch; Sande, Ragnar; Kessler, Jørg et al. (2022). Bruk vekta - effekten av kroppsmasseindeks på trykketida. (ekstern lenke)
• Nordtvedt, Emma; Kessler, Jørg; Acharya, Ganesh et al. (2022). Doppler indices of placental and cerebral vascular impedance in fetuses of mothers with PCOS and the effect of metformin exposure. (ekstern lenke)
• Kessler, Jørg; Rasmussen, Svein; Kiserud, Torvid (2005). Blutflussvolumen der fetalen Pfrtader im 2. und 3. Trimenon - eine langitudinelle Studie im Nidrigrisikokollektiv. (ekstern lenke)

Doktorgradsavhandling

• Lund, Agnethe; Kessler, Jørg (2019). Maternal diabetes mellitus and fetal venous liver flow – a longitudinal study. (ekstern lenke)
• Sletten, Julie; Kessler, Jørg (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. (ekstern lenke)
• Kessler, Jørg (2007). Portal and umbilical venous distribution in the human fetus : a longitudinal ultrasound study. (ekstern lenke)

Rapport

• Øian, Pål; Jacobsen, Anne Flem; Kessler, Jørg (2014). Veileder i fødselshjelp 2014. (ekstern lenke)

Faglig kapittel

• Kessler, Jørg; Acharya, Ganesh; Haugen, Guttorm et al. (1998). Ultralydundersøkelser i den alminnelige svangerskapsomsorgen. (ekstern lenke)

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