1. 6.3 Assisted Reproductive Technologies (ART)
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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
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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
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4. 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”
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3. Gamete intrafallopian transfer (GIFT) - eggs & sperm are collected, mixed, then injected into the woman’s fallopian tubes.
Fertilization occurs in the fallopian tubes
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4. Intracytoplasmic Sperm Injection (ICSI) - a single sperm is injected directly into an egg.
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7. 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