Chapter 27, Problem 11CYR

Summary Introduction

To review:

The correct developmental stage occurring in the respective month of gestation.

___Month 3

___Month 4

___Month 5

___Month 6

__Month 7

__Month 8 and 9

Downy hair called lanugo develops.

Organs specialize and grow.

Lungs begin to produce surfactant.

The heartbeat can be heard with the stethoscope.

Fetus turns to the vertex position.

Ossification begins in most bones.

Introduction:

The fetus and the newborn are different from each other and this is noticeable because of the difference in their body proportions. The body proportions change slowly as the infant grows after birth. In the gestational period, different phases of development occur where different structures develop.