Betina Boel Povlsen

observational 2025

Day 6 vitrified blastocyst transfer on day 5 vs. day 6 of progesterone shows similar outcomes in HRT-FET cycles: a cohort study

Scientific reports ·doi:10.1038/s41598-025-17793-6

Studies have suggested transferring Day 6 (D6) vitrified blastocyst in a frozen embryo transfer (FET) cycle. This study investigates whether D6 blastocysts should be transferred on the 5th or 6th day of progesterone administration during a …

observational 2025

Hormonal Contraception and Endometrial Thickness in IVF/ICSI Cycles: A Multicentre Historical Cohort Study

BJOG : an international journal of obstetrics and gynaecology ·doi:10.1111/1471-0528.18295

OBJECTIVE: To study the association between previous use of levonorgestrel intrauterine system (LNG-IUS) and endometrial thickness (EMT) in women undergoing in vitro fertilisation (IVF)/intracytoplasmic sperm injection (ICSI) cycles. DESIG…

observational 2022

P-298 The live birth rate of the endometriosis patient is significantly increased by high luteal phase serum progesterone in HRT-FET cycles - A cohort study

·doi:10.1093/humrep/deac107.285

Abstract Study question What is the optimal serum progesterone (P4) cut-off level for endometriosis patients undergoing hormone replacement therapy frozen embryo transfer (HRT-FET) with intensive exogenous progesterone luteal phase support?…