The advent of adolescence
1.2 sources of sexual development
1.3 main functions of sex hormones
1.4 Cerebral cortex that directs sexual development
1.5 adolescent height and weight
Chapter II Adolescent's Secondary Sexual Characteristics
2. 1 male secondary sexual characteristics
2.2 Women's secondary sexual characteristics
2.3 Individual differences
Chapter III Development of Adolescent Reproductive Organs
3. 1 testis
3.2 penis size and erection
3.3 penis foreskin and others
3.4 ovary
3.5 uterus
3.6 hymen
3.7 breasts
Chapter IV Sexual Development in Adolescence
4. 1 endocrine control
4.2 nocturnal emission
4.3 Sperm structure and ability
4.4 menstruation
4.5 sexual maturity
4.6 Two Delays in Sexual Development
4.7 Two precocious puberty in sexual development
4.8 Pseudoprecocious puberty
4.9 Prevention and treatment of sexual retardation
4. Prevention and treatment of10 precocious puberty
4. 1 1 precocious adolescents need sex education.
Chapter 5 Pregnancy and Contraception —— Music of Reproductive Science
5. 1 Ai Jing
5.2 Spermatogenesis
5.3 Egg Formation
5.4 Pregnancy process
5.5 Inheritance and differentiation of sex
……
Chapter VI Sexual Impulse in Adolescence
Chapter VII Sex Education for Teenagers
Chapter VIII Sexual Social Problems
Chapter IX Sexual Offences
Chapter 10 STD and Prevention
Chapter I XI Adolescent Health and Self-care