• Antipsychotic drug use in pregnancy: A multinational study from ten countries 

      Reutfors, Johan; Cesta, Carolyn; Cohen, Jacqueline Mallory; Bateman, Brian T; Brauer, Ruth; Einarsdottir, Kristjana; Engeland, Anders; Furu, Kari; Gissler, Mika; Havard, Alys; Hernandez-Diaz, Sonia; Huybrechts, Krista F.; Karlstad, Øystein; Leinonen, Maarit; Li, Jiong; Man, Kenneth K. C.; Pazzagli, Laura; Schaffer, Andrea; Schink, Tania; Wang, Zixuan; Yu, Yongfu; Zoega, Helga; Bröms, Gabriella (Journal article; Peer reviewed, 2020)
      Aim To compare the prevalence and trends of antipsychotic drug use during pregnancy between countries across four continents. Methods Individually linked health data in Denmark (2000−2012), Finland (2005–2014), Iceland ...
    • Antipsychotic use in pregnancy and risk of attention/ deficit-hyperactivity disorder and autism spectrum disorder: a Nordic cohort study 

      Halfdanarson, Oskar; Cohen, Jacqueline Mallory; Karlstad, Øystein; Cesta, Carolyn E.; Bjørk, Marte-Helene; Håberg, Siri Eldevik; Einarsdottir, Kristjana; Furu, Kari; Gissler, Mika; Hjellvik, Vidar; Kieler, Helle; Leinonen, Maarit; Nørgaard, Mette; Essen, Buket Öztürk; Ulrichsen, Sinna Pilgaard; Reutfors, Johan; Zoega, Helga (Journal article; Peer reviewed, 2021)
      Background Antipsychotics are increasingly used among women of childbearing age and during pregnancy. Objective To determine whether children exposed to antipsychotics in utero are at increased risk of attention-d ...
    • Cancer risk in children of mothers with epilepsy and high-dose folic acid use during pregnancy 

      Vegrim, Håkon Magne; Dreier, Julie Werenberg; Alvestad, Silje; Gilhus, Nils Erik; Gissler, Mika; Igland, Jannicke; Leinonen, Maarit; Tomson, Torbjörn; Sun, Yuelian; Zoega, Helga; Christensen, Jakob; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2022)
      Importance Women with epilepsy are recommended high doses of folic acid before and during pregnancy owing to risk of congenital anomalies associated with antiseizure medications. Whether prenatal exposure to high-dose ...
    • Comparative Safety of Antiseizure Medication Monotherapy for Major Malformations 

      Cohen, Jacqueline Mallory; Alvestad, Silje; Cesta, Carolyn E.; Bjørk, Marte-Helene; Leinonen, Maarit; Nørgaard, Mette; Einarsdóttir, Kristjana; Engeland, Anders; Gissler, Mika; Karlstad, Øystein; Klungsøyr, Kari; Odsbu, Ingvild; Reutfors, Johan; Selmer, Randi Marie; Tomson, Torbjörn; Ulrichsen, Sinna Pilgaard; Zoega, Helga; Furu, Kari (Journal article; Peer reviewed, 2022)
      Objective: This study was undertaken to examine the comparative safety of antiseizure medication (ASM) monotherapy in pregnancy with respect to risk of major congenital malformations (MCMs), overall and by MCM subtype. ...
    • Folic Acid and Risk of Preterm Birth, Preeclampsia, and Fetal Growth Restriction Among Women With Epilepsy A Prospective Cohort Study 

      Alvestad, Silje; Husebye, Elisabeth Synnøve Nilsen; Christensen, Jakob; Dreier, Julie Werenberg; Sun, Yuelian; Igland, Jannicke; Leinonen, Maarit; Gissler, Mika; Gilhus, Nils Erik; Tomson, Torbjörn; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2022)
      Background and Objectives Women with epilepsy treated with antiseizure medication (ASM) have increased risk of pregnancy complications including preterm birth, fetal growth restriction, and preeclampsia. We aimed to ...
    • Reproductive history and risk of colorectal adenocarcinoma in parous women: a Nordic population-based case–control study 

      Bjørge, Tone; Gissler, Mika; Ording, Anne Gulbech; Engeland, Anders; Glimelius, Ingrid; Leinonen, Maarit; Sørensen, Henrik Toft; Tretli, Steinar; Ekbom, Anders; Troisi, Rebecca; Grotmol, Tom (Peer reviewed; Journal article, 2016-10-04)
      Background: Data are conflicting regarding the role of endogenous sex hormones in colorectal carcinogenesis. In this large population-based study, we pooled data from birth and cancer registries in four Nordic countries, ...