Kjersti Westvik-Johari

ORCID: 0000-0002-6931-5559 · 3 papers in corpus
observational 2025
Risk of placenta previa in assisted reproductive technology: A Nordic population study with sibling analyses
PLoS medicine ·doi:10.1371/journal.pmed.1004536

BACKGROUND: A higher risk of placenta previa after assisted reproductive technology (ART) is well established. The underlying mechanisms are poorly understood, but may relate to embryo culture duration, cryopreservation, and cause of infert…

observational 2023
Cerebral palsy in children born after assisted reproductive technology in Norway: Risk, prevalence, and clinical characteristics
Acta obstetricia et gynecologica Scandinavica ·doi:10.1111/aogs.14663

INTRODUCTION: The aim was to investigate the risk, prevalence, and clinical characteristics of cerebral palsy among children born after assisted reproductive technology (ART) in Norway. MATERIAL AND METHODS: All liveborn children from 2002…

observational 2023
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
Fertility and sterility ·doi:10.1016/j.fertnstert.2022.10.020

OBJECTIVES: To investigate whether risks of stillbirth and neonatal death differ after fresh embryo transfers (fresh-ETs) and frozen embryo transfers (frozen-ETs) compared with singletons conceived without medical assistance. DESIGN: A pop…