Objective To investigate the association between luteal serum progesterone levels and
frozen embryo transfer (FET) outcomes. Design Systematic review and meta-analysis …

The use of frozen embryo transfer cycles has exponentially increased in the last few years.
Optimization of endometrial preparation protocols before frozen embryo transfer is …

STUDY QUESTION Is there a serum progesterone (P) threshold on the day of embryo
transfer (ET) in artificial endometrium preparation cycles below which the chances of …

STUDY QUESTION Does an individualised luteal phase support (iLPS), according to serum
progesterone (P4) level the day prior to euploid frozen embryo transfer (FET), improve …

Infertility affects one in six couples, with in vitro fertilization (IVF) offering many the chance of
conception. Compared to the solitary oocyte produced during the natural menstrual cycle …

Objective To determine if weight or body mass index (BMI) affects the serum progesterone
level at the time of the pregnancy test in cryopreserved blastocyst transfer cycles and to …

Research question Does serum progesterone concentration on the day of vitrified–warmed
embryo transfer affect live birth rate (LBR) with hormonal replacement therapy (HRT) cycles …

Nearly 5 million babies have been delivered following assisted conception (IVF/ICSI) and
the demand is increasing. Meticulous ovarian stimulation and well programmed luteal phase …

Objective To evaluate if serum progesterone (P) levels on the day of transfer influence
ongoing pregnancy rate (OPR) in hormonally prepared single blastocyst frozen embryo …

Purpose To identify the optimal method for endometrial preparation in vitrified single-
blastocyst transfer (VSBT) cycles. Methods This was a retrospective cohort study for non …