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 Is there a relationship between serum progesterone (P) and endometrial
volume on the day of embryo transfer (ET) with ongoing pregnancy rate (OPR) in artificial …

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 …

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 …

Background Previous observational studies have highlighted the negative effects of serum
hormone levels at the minimum threshold during frozen embryo transfer (FET) cycles …

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 …

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 …

Objective To analyze the impact on live birth rates (LBRs) of the individualized luteal phase
support (termed iLPS) in patients with low serum progesterone (P) levels compared with …

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 …

Objective To determine if an increase in plasma P occurring before hCG administration
might impair the outcome of IVF-ET. Design Five hundred eighty-five IVF-ET cycles were …