Major Characters. Stanley Yelnats He is the fifteen-year-old main character, the protagonist of the novel. His family has a history of bad luck, and accordingly, Stanley is wrongfully convicted of stealing, and is sent to the detention center, Camp Green Lake.
Term placentas were used as the control group. Exclusion criteria included pregnancies with <32 weeks gestation, diabetes, hypertension, preeclampsia, smoking (consumption >5 cigarettes/day), alcoholism or drug use, twin or multiple pregnancies and genetic diseases in the newborn.
The placenta serves as an interface between the mother and the developing fetus and has three main jobs: 1  Attach the fetus to the uterine wall. 2  Provide nutrients to the fetus.  Allow the fetus to transfer waste products to the mother's blood.