Chapter 50.4, Problem 8LO

Summary Introduction

To describe: The process of human fertilization and summarize the actions of hormones that regulate pregnancy and birth.

Introduction: Reproductive system (or genital system) is involved in sexual reproduction. The male and female reproductive systems’ function is to propagate the species. Gestation or pregnancy is the period during which offspring develops within the uterus of a sexually mature woman. This involves several developmental stages of fetus. In humans, pregnancy is nearly nine months long, which is divided into three trimesters and involves several changes in the mother and the growing fetus.