Transformation {Ans: the change of an object from one state to another}Perineum {Ans: in females, the area between the anus and the vagina}Parallel Play {Ans: activity in which children play side by side without interacting}Effacement {Ans: thinning of the cervix}Second Stage of Labor {Ans: expulsion; birth of the baby; crowning (when the baby's head passes through the birth canal}Jean Piaget {Ans: Known for his theory of cognitive development in children}Ultrasound {Ans: utilizes sound waves to detect the health and development of the fetus}Sorting {Ans: placing classified objects into smaller groups based on how they are alike or unalike}Bonding {Ans: forming strong emotional ties between individuals}Moro {Ans: startle reflex in newborns}Ovum {Ans: (egg) female reproductive cell; after fertilization becomes a zygote}Rooting {Ans: a reflex in which a newborn turns its head in response to a gentle stimulus on its cheek}Conjoined Twins {Ans: incompletely separated identical twins}Posterior Position Delivery {Ans: head first and face up}Conservation {Ans: even though one property of an object changes, the other properties remain the same}Apgar Test {Ans: a routine diagnostic test that determines an infant's physical condition at birth}Labor {Ans: