BIOLOGY 3 Lecture Notes - Lecture 5: Extended Periodic Table, Organogenesis, Amniocentesis
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3 months: fetus ~ 3 in, 1 ounce. At birth: baby is about 20 inches, 7 pounds. The age at which a fetus has a chance of surviving outside of the womb. Identified pregnancies that have an elevated risk for birth defects. Sample of amniotic fluid is withdrawn by syringe and tested for abnormalities. Tiny tissue sample from placenta is removed and analyzed. Severity of damage to the unborn child depends on: behavioral. Any agent that can cause birth defects or negatively or negatively alter cognitive/ Many women are given drugs while pregnant. Some are safe, others can be extremely harmful. Drugs that act on the nervous system to alter states of consciousness, modify perceptions, and change moods. Small risk of miscarriage and low birth weight for those consuming more than. Coffee (90-150 mg); tea (30-70 mg); chocolate bar (30 mg) Increased risk of fetal death for those consuming more than 300 mg daily.
