Which Statement Best Describes the Transition Period Between Intrauterine and Extrauterine

Multiple Choice

Which statement best describes the transition period between intrauterine and extrauterine existence for the newborn?

A) Consists of four phases,two reactive and two of decreased responses
B) Lasts from birth to day 28 of life
C) Applies to full-term births only
D) Varies by socioeconomic status and the mother's age