It is a condition where the placenta separates from the inner wall of the uterus causing excessive bleeding. (doctor-info.website)
Towards the end of the second trimester he opens his eyes and reacts to light that he can see through the thin walls of the uterus and abdomen. (wehavekids.com)
Placental abruption occurs when the placenta separates from the inner wall of the uterus before birth. (mayoclinic.org)