Blar i Norwegian Institute of Public Health Open Repository på forfatter "Westvik-Johari, Kjersti"
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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
Westvik-Johari, Kjersti; Lawlor, Deborah; Romundstad, Liv Bente Bergem; Bergh, Christina; Wennerholm, Ulla-Britt; Gissler, Mika; Henningsen, Anna-Karina Aaris; Håberg, Siri Eldevik; Tiitinen, Aila; Spangmose, Anne Lærke; Pinborg, Anja Bisgaard; Opdahl, Signe (Peer reviewed; Journal article, 2022) -
Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis
Westvik-Johari, Kjersti; Romundstad, Liv Bente; Lawlor, Deborah A.; Bergh, Christina; Gissler, Mika; Henningsen, Anna-Karina A.; Håberg, Siri Eldevik; Wennerholm, Ulla-Britt; Tiitinen, Aila; Pinborg, Anja; Opdahl, Signe (Peer reviewed; Journal article, 2021)Background Compared to naturally conceived children, adverse perinatal outcomes are more common among children born after assisted reproductive technology with fresh embryo transfer (fresh-ET) or frozen embryo transfer ... -
The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example
Westvik-Johari, Kjersti; Håberg, Siri Eldevik; Lawlor, Deborah A.; Romundstad, Liv Bente Bergem; Bergh, Christina; Wennerholm, Ulla-Britt; Gissler, Mika; Henningsen, Anna-Karina A.; Tiitinen, Aila; Pinborg, Anja; Opdahl, Signe (Peer reviewed; Journal article, 2023)