2021

• Terho, A.M.; Pelkonen, S.; Opdahl, Signe; Romundstad, L.B.; Bergh, Christina; Wennerholm, Ulla-Britt. (2021) High birth weight and large-for-gestational-age in singletons born after frozen compared to fresh embryo transfer, by gestational week: a Nordic register study from the CoNARTaS group. Human Reproduction
  Academic article
• Krokstad, Steinar; Heimburg, Dina von; Rangul, Vegar; Gravaas, Bente Christine; Eiksund, Sveinung Øystein; Sliper, Jon Olav. (2021) Psykisk helse i Trøndelag 2019. Helsestatistikk-rapport nummer 6 fra HUNT4. HUNT forskningssenter
  Report
• Heimburg, Dina von; Rangul, Vegar; Gravaas, Bente Christine; Eiksund, Sveinung Øystein; Sliper, Jon Olav; Opdahl, Signe. (2021) Nærmiljø i Trøndelag 2019: trivsel, opplevd trygghet, tilgjengelighet til tjenester og nærmiljøressurser, og støy. Helsestatistikk-rapport nummer 5 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Rangul, Vegar; Krokstad, Steinar; Heimburg, Dina von; Gravaas, Bente Christine; Eiksund, Sveinung Øystein; Sliper, Jon Olav. (2021) Sosiale relasjoner i Trøndelag 2019 Helsestatistikk-rapport nummer 7 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Valla, Marit; Opdahl, Signe; Ytterhus, Borgny; Bofin, Anna M.. (2021) DTX3 copy number increase in breast cancer: a study of associations to molecular subtype, proliferation and prognosis. Breast Cancer Research and Treatment
  Academic article
• Norrman, Emma; Petzold, Max; Gissler, Mika; Spangmose, Anne Lærke; Opdahl, Signe; Henningsen, Anna-Karina. (2021) Cardiovascular disease, obesity, and type 2 diabetes in children born after assisted reproductive technology: A population-based cohort study. PLoS Medicine
  Academic article
• Spangmose, Anne Lærke; Christensen, Lene Hee; Henningsen, Anna-Karina A.; Forman, Julie Lyng; Opdahl, Signe; Romundstad, Liv Bente Bergem. (2021) Cerebral palsy in ART children has declined substantially over time: a Nordic study from the CoNARTaS group. Human Reproduction
  Academic article
• Westvik-Johari, Kjersti; Romundstad, Liv Bente; Lawlor, Deborah A.; Bergh, Christina; Gissler, Mika; Henningsen, Anna-Karina A.. (2021) Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis. PLoS Medicine
  Academic article
• Sandvei, Marie Søfteland; Opdahl, Signe; Valla, Marit; Lagiou, Pagona; Vesterfjell, Ellen Veronika; Rise, Tor Vikan. (2021) The association of women’s birth size with risk of molecular breast cancer subtypes: a cohort study. BMC Cancer
  Academic article
• Risnes, Kari ; Bilsteen, Josephine Funck; Brown, Paul; Pulakka, Anna; Andersen, Anne-Marie Nybo; Opdahl, Signe. (2021) Mortality among young adults born preterm and early term in 4 Nordic nations. JAMA Network Open
  Academic article
• Magnus, Maria Christine; Wilcox, Allen J.; Fadum, Elin Anita; Gjessing, Håkon; Opdahl, Signe; Juliusson, Petur Benedikt. (2021) Growth in children conceived by ART. Human Reproduction
  Academic article

2020

• Opdahl, Signe; Rangul, Vegar; Heimburg, Dina von; Gravaas, Bente Christine; Eiksund, Sveinung Øystein; Sliper, Jon Olav. (2020) Samfunnsdeltakelse i Trøndelag 2019 Helsestatistikk-rapport nummer 4 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Sund, Erik; Opdahl, Signe; Rangul, Vegar; Heimburg, Dina von; Gravaas, Bente Christine; Eiksund, Sveinung Øystein. (2020) Levevaner i Trøndelag 2019. Helsestatistikk-rapport nummer 2 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Norrman, E.; Petzold, M.; Clausen, T.D.; Henningsen, A.K.; Opdahl, Signe; Pinborg, A.. (2020) Type 1 diabetes in children born after assisted reproductive technology: A register-based national cohort study. Human Reproduction
  Academic article
• Spangmose, Anne Lærke; Ginström Ernstad, Ernstad; Malchau, Sara Sofia; Forman, Julie Lyng; Tiitinen, Aila; Gissler, Mika. (2020) Obstetric and perinatal risks in 4601 singletons and 884 twins conceived after fresh blastocyst transfers: a Nordic study from the CoNARTaS group. Human Reproduction
  Academic article
• Persson, Martina; Opdahl, Signe; Risnes, Kari ; Gross, Raz; Kajantie, Eero Olavi; Reichenberg, Abraham. (2020) Gestational age and the risk of autism spectrum disorder in Sweden, Finland, and Norway: A cohort study. PLoS Medicine
  Academic article
• Klæstad, Elise; Opdahl, Signe; Engstrøm, Monica J; Ytterhus, Borgny; Wik, Elisabeth; Bofin, Anna Mary. (2020) MRPS23 amplification and gene expression in breast cancer; association with proliferation and the non-basal subtypes. Breast Cancer Research and Treatment
  Academic article
• Sund, Erik R; Opdahl, Signe; Rangul, Vegar; Heimburg, Dina von; Gravaas, Bente Christine; Eiksund, Sveinung Øystein. (2020) Levevaner i Trøndelag 2019 Helsestatistikk-rapport nummer 3 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Sund, Erik; Opdahl, Signe; Rangul, Vegar; Gravaas, Bente Christine; Eiksund, Sveinung Øystein; Sliper, Jon Olav. (2020) Helse og kronisk sykdom i Trøndelag 2019 Helsestatistikk-rapport nummer 2 fra HUNT4. HUNT forskningssenter Institutt for samfunnsmedisin og sykepleie, Fakultet for medisin og helsevitenskap, NTNU
  Report
• Henningsen, Anna-Karina A.; Gissler, Mika; Rasmussen, Steen C.; Opdahl, Signe; Wennerholm, Ulla-Britt; Spangsmose, A.L.. (2020) Imprinting disorders in children born after ART: A Nordic study from the CoNARTaS group. Human Reproduction
  Academic article
• Petersen, Sindre Hoff; Bergh, Christina; Gissler, Mika; Åsvold, Bjørn Olav; Romundstad, Liv Bente Bergem; Tiitinen, Aila. (2020) Time trends in placenta-mediated pregnancy complications after assisted reproductive technology in the Nordic countries. American Journal of Obstetrics and Gynecology
  Academic article

2019

• Kraby, Maria Ryssdal; Opdahl, Signe; Russnes, Hege Elisabeth Giercksky; Bofin, Anna M.. (2019) Microvessel density in breast cancer: The impact of field area on prognostic informativeness. Journal of Clinical Pathology
  Academic article
• Quist-Paulsen, Petter; Toft, Nina; Heyman, Mats M.; Abrahamsson, Jonas; Griškevičius, Laimonas; Hallböök, Helene. (2019) T-cell acute lymphoblastic leukemia in patients 1-45 years treated with the pediatric NOPHO ALL2008 protocol. Leukemia
  Academic article
• Ernstad, Erica G.; Spangmose, Anne Lærke; Opdahl, Signe; Henningsen, Anna Karina Aaris; Romundstad, Liv Bente Bergem; Tiitinen, Aila. (2019) Perinatal and maternal outcome after vitrification of blastocysts: A Nordic study in singletons from the CoNARTaS group. Human Reproduction
  Academic article
• Opdahl, Signe; Henningsen, Anna-Karina Aaris; Bergh, Christina; Gissler, Mika; Romundstad, Liv Bente Bergem; Petzold, Max. (2019) Data resource profile: the Committee of Nordic Assisted Reproductive Technology and Safety (CoNARTaS) cohort. International Journal of Epidemiology
  Academic article

2018

• Kraby, Maria Ryssdal; Valla, Marit; Opdahl, Signe; Haugen, Olav Anton; Sawicka, Joanna Ewa; Engstrøm, Monica J. (2018) The prognostic value of androgen receptors in breast cancer subtypes. Breast Cancer Research and Treatment
  Academic article
• Steigedal, Tonje S.; Toraskar, Jimita Prashant; Redvers, Richard P.; Valla, Marit; Magnussen, Synnøve; Bofin, Anna M.. (2018) Nephronectin is Correlated with Poor Prognosis in Breast Cancer and Promotes Metastasis via its Integrin-Binding Motifs. Neoplasia
  Academic article
• Henningsen, Anna-Karina A.; Bergh, Christina; Skjaerven, Rolv; Tiitinen, Aila; Wennerholm, Ulla-Britt; Romundstad, Liv Bente Bergem. (2018) Trends over time in congenital malformations in live-born children conceived after assisted reproductive technology. Acta Obstetricia et Gynecologica Scandinavica
  Academic article
• Sandvei, Marie Søfteland; Vatten, Lars Johan; Bjelland, Elisabeth Krefting; Eskild, Anne; Hofvind, Solveig; Ursin, Giske. (2018) Menopausal hormone therapy and breast cancer risk: effect modification by body mass through life. European Journal of Epidemiology (EJE)
  Academic article
• Valla, Marit; Mjønes, Patricia; Engstrøm, Monica J; Ytterhus, Borgny; Bordin, Diana Lilian; van Loon, Barbara. (2018) Characterization of FGD5 expression in primary breast cancers and lymph node metastases. Journal of Histochemistry and Cytochemistry
  Academic article

2017

• Kraby, Maria Ryssdal; Opdahl, Signe; Akslen, Lars A.; Bofin, Anna M.. (2017) Quantifying tumour vascularity in non-luminal breast cancers. Journal of Clinical Pathology
  Academic article
• Valla, Marit; Engstrøm, Monica J; Ytterhus, Borgny; Hansen, Åse Kristin Skain; Akslen, Lars A.; Vatten, Lars Johan. (2017) FGD5 amplification in breast cancer patients is associated with tumor proliferation and a poorer prognosis. Breast Cancer Research and Treatment
  Academic article
• Sen, Abhijit; Opdahl, Signe; Strand, Linn B; Vatten, Lars Johan; Laugsand, Lars Erik; Janszky, Imre. (2017) Insomnia and the risk of Breast Cancer: the HUNT study. Psychosomatic Medicine
  Academic article

2016

• Valla, Marit; Vatten, Lars Johan; Engstrøm, Monica J; Haugen, Olav Anton; Akslen, Lars A.; Bjørngaard, Johan Håkon. (2016) Molecular subtypes of breast cancer: Long-term incidence trends and prognostic differences. Cancer Epidemiology, Biomarkers and Prevention
  Academic article
• Wennberg, Anna Lena; Opdahl, Signe; Bergh, Christina; Aaris Henningsen, Anna-Karina; Gissler, Mika; Romundstad, Liv Bente Bergem. (2016) Effect of maternal age on maternal and neonatal outcomes after assisted reproductive technology. Fertility and Sterility
  Academic article

2015

• Opdahl, Signe; Henningsen, A.A.; Tiitinen, A; Bergh, C; Pinborg, A.; Romundstad, Pål Richard. (2015) Risk of hypertensive disorders in pregnancies following assisted reproductive technology: a cohort study from the CoNARTaS group. Human Reproduction
  Academic article

2013

• Engstrøm, Monica J; Opdahl, Signe; Hagen, Anne Irene; Romundstad, Pål Richard; Akslen, Lars A.; Haugen, Olav A.. (2013) Molecular subtypes, histopathological grade and survival in a historic cohort of breast cancer patients. Breast Cancer Research and Treatment
  Academic article