embryo manipulation techniques in the laboratory: insights into scientific procedures and applications

developmental biology animal models embryo selection pgd biomedical engineering microinjection micromanipulation gene editing ethical considerations scientific research cell culture pluripotent stem cells laboratory experimentation embryonic advancement fertility treatment development preimplantation genetic diagnosis ivf lab techniques discovery human reproduction equipment innovation crispr biopsy biotechnology assisted reproductive technology applications procedures in vitro fertilization manipulation cloning transfer testing molecular medical vitrification