• Effect of Smoking Behavior before and during Pregnancy on Selected Birth Outcomes among Singleton Full-Term Pregnancy: A Murmansk County Birth Registry Study 

      Kharkova, Olga Alexandrovna; Grjibovski, Andrej M; Krettek, Alexandra; Nieboer, Evert; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-02)
      The aim of our study was to assess associations between smoking behavior before and during pregnancy and selected adverse birth outcomes. This study is based on the Murmansk County Birth Registry (MCBR). Our study includes women who delivered a singleton pregnancy after 37 weeks of gestation (N = 44,486). Smoking information was self-reported and assessed at the first antenatal visit during pregnancy. ...
    • First-trimester smoking cessation in pregnancy did not increase the risk of preeclampsia/eclampsia: A Murmansk County Birth Registry study 

      Kharkova, Olga Alexandrovna; Grjibovski, Andrej M; Krettek, Alexandra; Nieboer, Evert; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-10)
      Although prior studies have shown that smoking reduces preeclampsia/eclampsia risk, the consequence of giving up this habit during pregnancy should be assessed. The aims of the current study were threefold: (i) describe maternal characteristics of women with preeclampsia/ eclampsia; (ii) examine a possible association between the number of cigarettes smoked daily during pregnancy and the development ...
    • Risk factors for perinatal mortality in Murmansk County, Russia: a registry-based study 

      Usynina, Anna Alexandrovna; Grjibovski, Andrej M; Krettek, Alexandra; Odland, Jon Øyvind; Kudryavtsev, Alexander Valerievich; Anda, Erik Eik (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-27)
      Background: Factors contributing to perinatalmortality (PM) in Northwest Russia remain unclear. This study investigated possible associations between selected maternal and fetal characteristics and PM based on data from the population-based Murmansk County Birth Registry. <br> Objective: This study investigated possible associations between selected maternal and fetal characteristics and PM ...