A Nurse Midwife Notes That the Separation of Placenta from the Uterus

A nurse midwife notes that the separation of placenta from the uterus via the Schultze mechanism. This means that:

A) The margin of the placenta separated first; the red, dull and rough surface emerges from the vagina first.
B) The margin of the placenta separated first; the shiny surface emerges from the vagina first.
C) The center portion of the placenta separated first; the maternal surface emerges from the vagina first.
D) The center portion of the placenta separated first; the fetal surface emerges first from the vagina.