01:830:331 Chapter Notes - Chapter 3.1: Abdominal Wall, Scrotum, Heart Rate Variability
Document Summary
Chapter 3: prenatal development, birth and the newborn. Eun jung has just learned that she is pregnant with her first child. Like many other parents-to- be, she and her husband, kinam, are ecstatic. But they also realize how little they know about. Eun jung is eager to visit her obstetrician to learn more about the normal timetable of events during pregnancy. Prenatal development: the many changes that turn a fertilized egg into a newborn human. 3 stages: (period name describe the baby-to-be at that point in prenatal development: the period of the zygote, the period of the embryo, the period of the fetus. First period of prenatal development ends when the zygote implants itself in the wall of the uterus. During these 2 weeks, the zygote grows rapidly through cell division and travels down the fallopian tube toward uterus. Within hours, the zygote divides for the first time; then division occurs every 12 hours.