100 likes | 201 Views
Section 3: Human Reproduction, Contraception, and Abortion: Sexuality Confronts Social Policy Chapter Nine. Reproduction, Reproductive Technology, and Birthing. Fertilization and Fetal Development. Sperm penetrates the zona pellucida of the ovum at conception
E N D
Section 3: Human Reproduction, Contraception, and Abortion: Sexuality Confronts Social PolicyChapter Nine Reproduction, Reproductive Technology, and Birthing
Fertilization and Fetal Development • Sperm penetrates the zona pellucida of the ovum at conception • Fertilization of an ovum forms a zygote • Ovum and sperm each contribute 23 pairs of chromosomes, containing DNA • Twins or multiples result under two conditions • More than one ova fertilized by more than one sperm • fraternal, or dizygotic, twins • Fertilized ovum which splits • identical, or monozygotic, twins
Genetic Engineering Gene Therapy Artificial Insemination In Vitro Fertilization Zygote intrafallopian transfer Preimplantation genetic diagnosis Gamete Intrafallopian Transfer Intracytoplasmic Sperm Injection Computerized sperm selection Microscopic epididymal sperm aspiration Reproductive & Fetal Technology
Issues in Reproduction & Pregnancy Surrogate Motherhood Choosing Sex of the Fetus Ova & Sperm Donation Cloning Prematurity Breastfeeding Episiotomy Birthing Alternatives Pregnancy-Induced Hypertension Pain Relief During Birth