Background & Objectives: Polymers as drug carriers are recent advances in drug delivery and led to the new advent field that called polymer treatment. In the present study. the toxic and teratogenic effects of BDP18 were evaluated against chicken embryos as a model. Methods: The BDP18 tri-block copolymer (PLA-PEG2000-PLA) was synthesized. https://halohealthcarers.shop/product-category/personal-care/