See below

See below

Regarding prenatal development, what is a critical period? What are teratogens? Identify THREE common teratogens AND discuss their effects on human development. use this textbook only Ciccarelli, S., & White, J.N. (2014). Psychology(4thed.). New Jersey: Pearson Prentice Hall. this is what i have so far. I need it by March 10, 2017 @ 11:30 am