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Review
. 2020 Mar 31;11(4):376.
doi: 10.3390/genes11040376.

Mother and Embryo Cross-Communication

Anna Idelevich  1 , Felipe Vilella  2   3
Affiliations
Review

Mother and Embryo Cross-Communication

Anna Idelevich et al. Genes (Basel). .

Abstract

Endometrial receptivity is a biosensor for embryo quality, as embryos with reduced developmental potential are rejected. However, embryo quality only accounts for an estimated one-third of implantation failures, with suboptimal endometrial receptivity accounting for the remaining two-thirds. As pregnancy progresses, a uterus continues to engage in close communication with an embryo/fetus, exchanging information in the form of endocrine, paracrine, and other cues. Given the long mammalian gestation period, this dialogue is intricate, diverse, and, currently, not fully understood. Recent progress and the availability of high-throughput techniques, including transcriptomics, proteomics, and metabolomics, has allowed the simultaneous examination of multiple molecular changes, enhancing our knowledge in this area. This review covers the known mechanisms of mother-embryo cross-communication gathered from animal and human studies.

Keywords: embryo; uterus; window of implantation.

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Conflict of interest statement

A.I. is a full-time employee of Igenomix S.L.; F.V. declares no competing financial interests.

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