Publications by authors named "Signe Opdahl"

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The Effects of Hospital Delivery Volume and Travel Time on Perinatal Mortality and Delivery in Transit: Causal Inference with Triangulation.
Andreas Asheim, Sara Marie Nilsen, Signe Opdahl, Kari Risnes, Elisabeth Balstad Magnussen

Epidemiology· May 2025

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Cervical intraepithelial neoplasia grade 1 and long-term risk of progression and treatment.
Ingrid Baasland, Tone Bjørge, Birgit Engesæter, Ameli Tropé, Signe Opdahl

PLoS One· April 2025

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Risk of placenta previa in assisted reproductive technology: A Nordic population study with sibling analyses.
Eirik Landsverk, Kjersti Westvik-Johari, Ulla-Britt Wennerholm, Christina Bergh, Frederik Kyhl, Signe Opdahl

PLoS Med· February 2025

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Preterm birth in assisted reproduction: the mediating role of hypertensive disorders in pregnancy.
Sindre Hoff Petersen, Bjørn Olav Åsvold, Deborah A Lawlor, Anja Pinborg, Anne Lærke Spangmose, Signe Opdahl

Hum Reprod· January 2025

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Congenital heart defects in children born after assisted reproductive technology: a CoNARTaS study.
Nona Sargisian, Max Petzold, Eva Furenäs, Mika Gissler, Anne Lærke Spangmose, Signe Opdahl

Eur Heart J· December 2024

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Gestational age at birth and type 1 diabetes in childhood and young adulthood: a nationwide register study in Finland, Norway and Sweden.
Johanna Metsälä, Kari Risnes, Martina Persson, Riitta Veijola, Anna Pulakka, Signe Opdahl

Diabetologia· July 2024

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Response: Multiple births as a mediator than a confounder in ART research.
Maria C Magnus, Signe Opdahl

Paediatr Perinat Epidemiol· July 2024

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Estimating the impact of bias in causal epidemiological studies: the case of health outcomes following assisted reproduction.
Adrian R Walker, Christos A Venetis, Signe Opdahl, Georgina M Chambers, Louisa R Jorm

Hum Reprod· May 2024

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The risk of Type 1 diabetes in children born after ART: a Nordic cohort study from the CoNARTaS group.
Frederik Kyhl, Anne Lærke Spangmose, Mika Gissler, Kristiina Rönö, Kjersti Westvik-Johari, Signe Opdahl

Hum Reprod Open· April 2024

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Risk of stroke the year following a delivery after using assisted reproductive technologies.
Maria C Magnus, Siri E Håberg, Kristiina Rönö, Liv Bente Romundstad, Christina Bergh, Signe Opdahl

Paediatr Perinat Epidemiol· March 2024

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Risk of congenital malformations in live-born singletons conceived after intracytoplasmic sperm injection: a Nordic study from the CoNARTaS group.
Anna-Karina Aaris Henningsen, Signe Opdahl, Ulla-Britt Wennerholm, Aila Tiitinen, Steen Rasmussen

Fertil Steril· November 2023

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Maternal Risk of Cardiovascular Disease After Use of Assisted Reproductive Technologies.
Maria C Magnus, Abigail Fraser, Siri E Håberg, Kristiina Rönö, Liv Bente Romundstad, Signe Opdahl

JAMA Cardiol· September 2023

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Gestational age at birth and hospitalisations for infections among individuals aged 0-50 years in Norway: a longitudinal, register-based, cohort study.
Sara Marie Nilsen, Jonas Valand, Tormod Rogne, Andreas Asheim, Weiyao Yin, Signe Opdahl

EClinicalMedicine· August 2023

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Non-progressive breast carcinomas detected at mammography screening: a population study.
Torunn Heggland, Lars Johan Vatten, Signe Opdahl, Harald Weedon-Fekjær

Breast Cancer Res· July 2023

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Preterm birth and asthma and COPD in adulthood: a nationwide register study from two Nordic countries.
Anna Pulakka, Kari Risnes, Johanna Metsälä, Suvi Alenius, Katriina Heikkilä, Signe Opdahl

Eur Respir J· June 2023

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The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example.
Kjersti Westvik-Johari, Siri E Håberg, Deborah A Lawlor, Liv Bente Romundstad, Christina Bergh, Signe Opdahl

Int J Epidemiol· April 2023

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Risk of ovarian cancer in women who give birth after assisted reproductive technology (ART)-a registry-based Nordic cohort study with follow-up from first pregnancy.
Marie Søfteland Sandvei, Anja Pinborg, Mika Gissler, Christina Bergh, Liv Bente Romundstad, Signe Opdahl

Br J Cancer· March 2023

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Risk of Hypertensive Disorders in Pregnancy After Fresh and Frozen Embryo Transfer in Assisted Reproduction: A Population-Based Cohort Study With Within-Sibship Analysis.
Sindre H Petersen, Kjersti Westvik-Johari, Anne Lærke Spangmose, Anja Pinborg, Liv Bente Romundstad, Signe Opdahl

Hypertension· February 2023

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Risk of stillbirth and neonatal death in singletons born after fresh and frozen embryo transfer: cohort study from the Committee of Nordic Assisted Reproduction Technology and Safety.
Kjersti Westvik-Johari, Deborah A Lawlor, Liv Bente Romundstad, Christina Bergh, Ulla-Britt Wennerholm, Signe Opdahl

Fertil Steril· February 2023

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Long term trends of breast cancer incidence according to proliferation status.
Elise Klæstad, Signe Opdahl, Sunil Xavier Raj, Anna Mary Bofin, Marit Valla

BMC Cancer· December 2022

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Interpreting Breast Cancer Mortality Trends Related to Introduction of Mammography Screening: A Simulation Study.
Torunn Heggland, Lars Johan Vatten, Signe Opdahl, Harald Weedon-Fekjær

MDM Policy Pract· October 2022

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Cancer in children born after frozen-thawed embryo transfer: A cohort study.
Nona Sargisian, Birgitta Lannering, Max Petzold, Signe Opdahl, Mika Gissler

PLoS Med· September 2022

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The neurodevelopmental morbidity of children born after assisted reproductive technology: a Nordic register study from the Committee of Nordic Assisted Reproductive Technology and Safety group.
Kristiina Rönö, Essi Rissanen, Christina Bergh, Ulla-Britt Wennerholm, Signe Opdahl

Fertil Steril· May 2022

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Visual and digital assessment of Ki-67 in breast cancer tissue - a comparison of methods.
Anette H Skjervold, Henrik Sahlin Pettersen, Marit Valla, Signe Opdahl, Anna M Bofin

Diagn Pathol· May 2022

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