PSY-3210 Lecture Notes - Lecture 4: Thalidomide, Morning Sickness, Fetal Alcohol Spectrum Disorder
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Different types: some for conception, come for paternal protection (controversial in the literature) a. ii. Hollow, fluid filled ball: prenatal development, period of the zygote (1-2 weeks) a. i. Doesn"t travel down fallopian tube and implant in uterus a. iii. 1. a. Implants in fallopian tube or abdomen= very dangerous: embryonic development (weeks 3-8) b. i. Critical time: birth defects likely if something happens during this time b. iii. Neural tube becomes brain and spinal chord b. iv. 2. Digestive system, lungs, glands: fetal period c. i. Third month (end of the 1st trimester)= morning sickness c. i. 1. Muscles, bones, face, extremities, major organs, genitals c. i. 2. Fetus can move, digest, urinate, show some reflexes, sometimes suck their thumb c. ii. Brain, details (eyelashes, fingernails, teeth under gums) c. ii. 2. By 4-5 months, mother can feel baby"s movements c. ii. 3. By 6 months, others can feel the baby kicking c. iii. Third trimester= weight gain and ankle pain for mom c. iii. 1. Brain, lungs, size and weight gain of baby c. iii. 2.
