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A Review of Mechanisms of Implantation

  • Kim, Su-Mi (Dept. of Obstetrics and Gynecology, College of Medicine, Dankook University) ;
  • Kim, Jong-Soo (Dept. of Obstetrics and Gynecology, College of Medicine, Dankook University)
  • Received : 2017.11.20
  • Accepted : 2017.12.08
  • Published : 2017.12.31

Abstract

Implantation is a highly organized process that involves an interaction between a receptive uterus and a competent blastocyst. In humans, natural fecundity suggests that the chance of conception per cycle is relatively low (~30%) and two-third of lost pregnancies occur because of implantation failure. Defective implantation leads to adverse pregnancy outcomes including infertility, spontaneous miscarriage, intrauterine fetal growth restriction and preeclampsia. With use of advanced scientific technologies, gene expression analysis and genetically-engineered animal models have revealed critical cellular networks and molecular pathways. But, because of ethical restrictions and the lack of a mechanistic experiment, comprehensive steps in human implantation have still not been completely understood. This review primarily focuses on the recent advances in mechanisms of implantation. Because infertility is an emerging issue these days, gaining an understanding the molecular and hormonal signaling pathway will improve the outcome of natural pregnancy and assisted reproductive technology.

Keywords

References

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