6.3 Assisted Reproductive Technologies (ART) (c) McGraw Hill Ryerson 2007

(c) McGraw Hill Ryerson 2007 Infertility = the inability of a couple to have a baby Assisted reproductive technologies = technologies used to achieve fertilization & pregnancy often involves removing eggs, fertilizing them, & returning them to the uterus. See pages 224 - 229 (c) McGraw Hill Ryerson 2007

(c) McGraw Hill Ryerson 2007 Types of Assisted Reproductive Technologies Artificial Insemination - donor sperm is placed in the woman. Fertilization occurs in the fallopian tubes Widely used in breeding farm animals (c) McGraw Hill Ryerson 2007

2. In vitro fertilization (IVF) - egg & sperm are collected, fertilized in a petri dish, & then, the embryo(s) are placed in the uterus. In vitro means “in glass” (c) McGraw Hill Ryerson 2007

(c) McGraw Hill Ryerson 2007 3. Gamete intrafallopian transfer (GIFT) - eggs & sperm are collected, mixed, then injected into the woman’s fallopian tubes. Fertilization occurs in the fallopian tubes (c) McGraw Hill Ryerson 2007

(c) McGraw Hill Ryerson 2007 4. Intracytoplasmic Sperm Injection (ICSI) - a single sperm is injected directly into an egg. (c) McGraw Hill Ryerson 2007

Ethical Issues Positive: help infertile couples successful have children Negative: carry a higher risk of birth defects what to do with “unwanted” embryos legal concerns (for ex.: surrogate mother changes her mind) Take the Section 6.3 Quiz