Placental examination is a simple and noninvasive method which plays an important role in predicting and improving the outcome of pregnancy and hence should be a routine component of obstetric and neonatal care. The placenta is an unique Это и многое другое вы найдете в книге Histopathological Study of Placenta in 2nd &3rd trimester of pregnancy (Jitendra Khedkar and Nanda Patil)