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.
Placenta Previa. The placenta develops in a womanâs uterus during pregnancy. This sac-like structure provides the developing baby with food and oxygen. It also removes waste products from the babyâs blood. The placenta is also referred to as âafterbirth,â for it exits the body after the baby is born.