Introduction

What is Adolescence?

What Changes Happen During This Time?

Do Boys and Girls Change the Same Way?

Why Do These Changes Happen?

What Should We Know About These Changes?

1. What is Adolescence?

1.1 Definition and Duration of Adolescence

1.2 Understanding Puberty and Reproductive Maturity

2. Changes During Adolescence: Puberty

2.1 Increase in Height

2.2 Change in Body Shape

2.3 Voice Change

2.4 Increased Activity of Sweat and Sebaceous Glands

2.5 Development of Sex Organs

2.6 Reaching Mental, Intellectual and Emotional Maturity

6.9 Secondary Sexual Characteristics

6.9.1 Male and Female Secondary Sexual Characteristics

4. The Role of Hormones in Initiating Reproductive Function

4.7 Understanding Hormones and Endocrine System

4.8 Male and Female Sex Hormones

4.9 Other Important Endocrine Glands

5. The Reproductive Phase of Life in Humans

5.7 Female Reproductive Phase and Menstruation

5.8 Male Reproductive Capability

6. How is the Sex of the Child Determined? You are here

6.7 Chromosomes and Sex Determination

6.8 Genetic Process of Sex Determination

6.13 Hormones Other Than Sex Hormones

6.13.1 Growth Hormone and Pituitary Gland

6.13.2 Thyroid Hormone and Iodine Deficiency

6.13.3 Insulin and Blood Sugar Regulation

8. Reproductive Health

8.7 Mental and Physical Health Connection

8.8 Healthy Practices for Adolescents

8.9 Avoiding Harmful Substances

Summary

Chapter at a Glance