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Updated: Jul 31, 2025

Chromosome Screening of Human Preimplantation Embryos by Using Spent Culture Medium: Sample Collection and Chromosomal Ploidy Analysis

Chromosome Screening of Human Preimplantation Embryos by Using Spent Culture Medium: Sample Collection and Chromosomal Ploidy Analysis

Published on: September 7, 2021

Updates on preimplantation embryo research.

Stephanie Bissiere¹, Blake Hernandez¹, Carmen Rubio²

¹Department of Cell and Developmental Biology, Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.

Fertility and Sterility

|May 7, 2023

Summary

This summary is machine-generated.

Human preimplantation development, from a 1-cell embryo to a blastocyst, can be studied in vitro. New imaging and genetic technologies may reveal unknown processes in human embryo development.

Keywords:

Development cell biology cytoskeleton

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Area of Science:

Developmental Biology
Reproductive Science
Embryology

Background:

Preimplantation development is the sole phase of human development observable outside the body.
Human embryos can be created via in vitro fertilization and cultured to the blastocyst stage for laboratory study.

Purpose of the Study:

To outline key cellular and morphogenetic processes in human preimplantation development.
To compare human preimplantation development with that of mouse embryos.
To highlight novel technologies for studying human preimplantation development.

Main Methods:

In vitro fertilization and embryo culture.
Comparative analysis of human and mouse embryonic development.
Focus on noninvasive imaging and genetic technologies.

Main Results:

The 1-cell human embryo undergoes gradual transformation into a blastocyst.
Key differences may exist between human and mouse preimplantation development.
Emerging technologies offer new avenues for research.

Conclusions:

Understanding human preimplantation development is crucial for reproductive medicine.
Noninvasive imaging and genetic tools are vital for uncovering unknown developmental processes.
Further research is needed to fully elucidate human embryonic development patterns.