Lisbeth Prætorius

No ORCID on file · 7 papers in corpus
rct 2025
Nature communications ·doi:10.1038/s41467-025-60205-6

The primary aim of the present randomised, double-blind, placebo-controlled trial was to investigate whether clindamycin and live Lactobacillus crispatus CTV-05 (LACTIN-V) would improve clinical pregnancy rates in IVF patients with abnormal…

rct 2025
Nature medicine ·doi:10.1038/s41591-025-03621-x

Intracytoplasmic sperm injection (ICSI) and conventional in vitro fertilization (c-IVF) are widely used fertilization techniques in assisted reproduction, but their relative effectiveness in patients without severe male factor infertility r…

observational 2025
International journal of molecular sciences ·doi:10.3390/ijms26062533

Passive maternal-fetal transfer of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies has been demonstrated, whilst the degree of transfer depending on the trimester of infection is lacking. Due to neonates' immature im…

observational 2025
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-025-03629-9

PURPOSE: To investigate baseline parameters and vaginal intimate hygiene habits comparing IVF patients with and without vaginal dysbiosis, a cross-sectional study. METHODS: Patients were grouped by the presence of vaginal dysbiosis status …

other 2021
BMJ open ·doi:10.1136/bmjopen-2021-051058

INTRODUCTION: Over the last decades, the use of intracytoplasmic sperm injection (ICSI) has increased, even among patients without male factor infertility. The increase has happened even though there is no evidence to support that ICSI resu…

rct 2020
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 …

rct 2017
BMJ open ·doi:10.1136/bmjopen-2017-016106

INTRODUCTION: Pregnancy rates after frozen embryo transfer (FET) have improved in recent years and are now approaching or even exceeding those obtained after fresh embryo transfer. This is partly due to improved laboratory techniques, but m…