mRNA Messenger ribonucleic acid Na/K Sodium/potassium ATPase OCM Oocyte collection medium OMM Oocyte maturation medium RT Reverse transcription PBS Phosphate buffered saline PCR Polymerase chain reaction PGF Prostaglandin F2, Plako Plakophilin PVP Polyvinylpyrrolidone RIA Radioimmunoassay sHLA-G Soluble human leukocyte antigen-G TALP Tyrode's albumin lactate pyruvate TE Trophectoderm TCM Tissue culture medium TMR Total mixed ration TUNEL Terminal deoxynucleoytidyl transferase mediated dUTP nick end labeling VEGF Vascular endothelial growth factor