Anne Lærke Spangmose

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

Maternal Risk of Cardiovascular Disease After Use of Assisted Reproductive Technologies

JAMA cardiology ·doi:10.1001/jamacardio.2023.2324

IMPORTANCE: The use of assisted reproductive technologies (ARTs) is steadily increasing worldwide. The outcomes associated with treatment for an individual's long-term health, including risk of cardiovascular disease (CVD), remain largely u…

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…

rct 2020

Freeze-all versus fresh blastocyst transfer strategy during in vitro fertilisation in women with regular menstrual cycles: multicentre randomised controlled trial

BMJ (Clinical research ed.) ·doi:10.1136/bmj.m2519

OBJECTIVE: To compare the ongoing pregnancy rate between a freeze-all strategy and a fresh transfer strategy in assisted reproductive technology treatment. DESIGN: Multicentre, randomised controlled superiority trial. SETTING: Outpatient …