Reproduction involves a wide range of biological processes, including organ formation and
development, neuroendocrine regulation, hormone production, and meiosis and mitosis …

Implantation is a critical step in human reproduction. The success of this step is dependent
on a competent blastocyst, receptive endometrium, and successful cross talk between the …

Implantation is the first step in human reproduction. Successful implantation depends on the
crosstalk between embryo and endometrium. Recurrent implantation failure (RIF) is a …

STUDY QUESTION What is the global variability in recurrent implantation failure (RIF)
definition, investigation and therapy, currently offered to patients undergoing IVF …

Despite the worldwide increase in frozen embryo transfer, the search for the best protocol to
prime endometrium continues. Well-designed trials comparing various frozen embryo …

BACKGROUND A normal chromosomal constitution defined through PGT-A assessing all
chromosomes on trophectoderm (TE) biopsies represents the strongest predictor of embryo …

BACKGROUND Obesity has now been recognized as a high-risk factor for reproductive
health. Although remarkable advancements have been made in ART, a considerable …

STUDY QUESTION Which add-ons are safe and effective to be used in ART treatment?
SUMMARY ANSWER Forty-two recommendations were formulated on the use of add-ons in …

Embryo implantation in humans is interstitial, meaning the entire conceptus embeds in the
endometrium before the placental trophoblast invades beyond the uterine mucosa into the …

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