Considering the advent of mesenchymal stem cells (MSCs) as a new source of somatic cells in embryo co-culture system. the current study was aimed to compare in vitro embryo development using embryonic MSCs monolayer with embryonic fibroblast cells (EFCs). oviductal epithelial cells (OECs). and cell-free culture system. https://cosmeticssquadets.shop/product-category/bath-salts/