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Environmental Insults

Environmental Insults. 1. Alcohol Migrating neurons go TOO FAR F.A.S. Microencephaly, face, MR, slow growth/ dev. CURE??. Environmental Insults. 2. Radiation Neurons don’t go far enough Mental retardation Growth retardation. Environmental Insults. 3. Smoking cigarettes

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Environmental Insults

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  1. Environmental Insults • 1. Alcohol • Migrating neurons go TOO FAR • F.A.S. • Microencephaly, face, MR, slow growth/ dev. • CURE??

  2. Environmental Insults • 2. Radiation • Neurons don’t go far enough • Mental retardation • Growth retardation

  3. Environmental Insults • 3. Smoking cigarettes • Poisons and lack of oxygen • Low birth weight/stillbirth • FTS/ SIDS/ resp. problems

  4. Environmental Insults • 4. Malnourishment • Malnourished mother = malnourished baby • Miscarriages and stillbirths

  5. Environmental Insults • 5. DRUGS/MEDICATION • Prescription, OTC and illegal can be BAD • not exactly sure about many of them

  6. What we do know... • Accutane- yellowing of the teeth and bones • Thalidomide- Europe in the 1960s-deformed limbs

  7. What we DO know • COCAINE- low birth weight • “crack babies” • seem to “catch up” • MARIJUANA- more behavioral and mental problems (discipline)

  8. DES (diethylstilbestrol)-1950s and 1960s • Miscarriage • cervical cancer in females • infertility in males

  9. Illness and the fetus • Rubella- aka. German measles • first 8 wks of pregnancy-no effect • 8-16 wks: heart, deafness

  10. Stress and the Fetus • Diverts blood from the uterus • decreases oxygen to fetus • changes hormones • Changes brain structure

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