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 develops throughout the embryonic period and during the first several weeks of the fetal period; placentation is complete by weeks 14â16. As a fully developed organ, the placenta provides nutrition and excretion, respiration, and endocrine function ([link] and [link]).