Sexual Reproduction
The Mechanics of Meiosis
Human Sexuality from Different Points of View A Closer Look: Speculation on the Evolution of Human Sexual Behavior
Chromosomal Determination of Sex A Closer Look: Karyotyping and Down Syndrome
Male and Female Fetal Development
Sexual Maturation of Young Adults
The Maturation of Females
The Maturation of Males
Spermatogenesis
Oogenesis
Hormonal Control of Female Sexual Cycles
Hormonal Control of Fertility
Fertilization, Pregnancy, and Birth
Twins
Birth
Contraception
Chemical Methods
Hormonal Control Methods
Timing Method
Barrier Methods
Surgical Methods A Closer Look: Sexually Transmitted Diseases
Abortion
Changes in Sexual Function with Age
Hormone Replacement Therapy
Impotence
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