title: The cleavage stage embryo.
authors: Unidad de Reproducción, Hospital Universitario Madrid-Montepríncipe, Avenida Montepríncipe, 25, 28660 Boadilla del Monte, Spain. fernandojprados@gmail.com
authors: Fernando J
authors: FJ
authors: Prados
authors: Sophie
authors: S
authors: Debrock
authors: Josephine G
authors: JG
authors: Lemmen
authors: Inge
authors: I
authors: Agerholm
mesh_terms: D001757:Blastomeres / Q000166:cytology; D002467:Cell Nucleus / Q000648:ultrastructure; D002970:Cleavage Stage, Ovum / Q000166:cytology*; D003593:Cytoplasm / Q000648:ultrastructure; D047108:Embryonic Development; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D020554:Sperm Injections, Intracytoplasmic