The Smith County Veteran Services Office will be closed Monday through Monday, August 15-22, 2016. The Smith County Veterans Service Office will be closed Monday through Monday, August 15-22 for training, and will reopen on Tuesday, August 23 for normal business hours.
The first differentiation event in the formation of the placenta is the formation of trophoblasts, specialized epithelial cells, that ultimately form a physical connection between the embryo and the uterus. Allocation of cells to the trophoblast lineage is dependent on their position at the morula stage.
Placental Abruption. Causes and Risk Factors: Placental Abruption. Abruption of the placenta refers to the separation of the placenta from the inner wall of the uterus before labor begins. It can decrease or interrupt the flow of oxygen-rich blood to the baby. Placental abruption can cause fetal death in the third trimester.