The specific regulation of inflammatory processes by steroid hormones has been actively
studied in recent years, especially by progesterone (P4) and progestins. The mechanisms of …

A failure to achieve pregnancy after three or more embryo transfer cycles with high‐quality
blastocysts is referred to as recurrent implantation failure (RIF). RIF can be due to altered …

An abnormal endometrial microbiota has been associated with implantation failure;
therefore, it may be important to evaluate it in order to improve reproductive outcomes in …

The genitourinary microbiome plays a crucial role in the establishment and maintenance of
urinary and reproductive health in women throughout their lives. Particularly during the …

Recurrent implantation failure (RIF) is characterized by the absence of implantation after
high-grade embryos are transferred to the endometrium by at least three in vitro fertilization …

Introduction Successful embryo implantation, is the initiating step of pregnancy, relies on not
only the high quality of the embryo but also the synergistic development of a healthy …

Several studies have reported that vitamin D may modify human reproductive functions;
however, the results are conflicting. We aimed to comprehensively evaluate serum vitamin D …

Embryo implantation is a key moment in pregnancy. Abnormal production of pro-and anti-
inflammatory cytokines, their receptors and other immune factors may result in embryo …

Recurrent implantation failure (RIF) is a global health issue affecting a significant number of
infertile women who undergo in vitro fertilization (IVF) cycles. Extensive vasculogenesis and …

Recurrent implantation failure (RIF) is a challenging scenario from different standpoints. This
study aimed to investigate its correlation with the endometrial metabolic characteristics …