Background Progesterone (P4) is essential for support of the endometrium and implantation
of an embryo in the normal menstrual cycle. In programed frozen embryo transfer cycles …

Purpose The purpose of this study is to investigate whether progesterone (P4) levels on the
day of frozen-thawed embryo transfer (FET) to a hormonally prepared endometrium …

Purpose The purpose of our study was to determine if progesterone (P4) values on day of
trigger affect certain cycle outcome parameters, ploidy status of embryos, as well as …

A retrospective cohort study was performed to examine whether, in artificial endometrial
preparation for frozen embryo transfer (FET) cycles, progesterone (P) levels the day prior to …

Background Endometrial preparation with hormone replacement therapy (HRT) is the
preferred regimen for clinicians due to the opportunity to schedule the day of embryo transfer …

BACKGROUND: Serum progesterone has been advocated as a tool in the diagnosis of early
pregnancy failure. We conducted this prospective study in order to investigate the potential …

Abstract STUDY QUESTION Are progesterone (P) levels on the day before natural cycle
frozen embryo transfer (NC-FET) associated with live birth rate (LBR)? SUMMARY ANSWER …

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 …

Purpose To evaluate the association between serum progesterone (P) levels on the day of
embryo transfer (ET) and pregnancy rates in fresh donor IVF/ICSI cycles. Methods Fresh …

STUDY QUESTION Is the chance of a live birth following IVF treatment and fresh embryo
transfer affected by early and mid-luteal serum progesterone (P4) levels? SUMMARY …