Kjersti Westvik-Johari

ORCID: 0000-0002-6931-5559 · 2 papers in corpus

other 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…

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

ObjectivesTo 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.DesignA populatio…