Human Reproductive Technology

A rough high-level timeline:
 * up to ~80 years ago: The Contraception Debate
 * up to ~30 years ago: The Abortion Debate
 * ~20 years ago: In-Vitro Fertilization
 * the past couple of years: Cryopreservation, Surrogacy, Embryo Research, Genetic Manipulation, Cross-Species Nuclear Transfer, Cloning, etc.