ED PSYCH 320 Lecture Notes - Lecture 1: Teratology, Ectoderm, Umbilical Cord
Document Summary
As the moves down the fallopian tube it"s duplicates at first slowly then fast. Doesn"t match the trimester which is 3 month each. Fluid is there to keep at good temp. 30% of zygotes do not survive pass the germinal period. Organs and body parts begin to form. As early as 2 week mom just can"t feel it yet. Longest period - begins towards end of first trimester. All three period happen in the first. Grow with small hair to help with the birth. Sleep and wakefulness (30 to 34 weeks) Harmful environmental agents that lead to prenatal damage. All drugs should be avoided during pregnancy risk of birth complications, delayed development, and death. First trimester eye, ear, skull, brain, heart, and immune system abnormalities. Premature birth, low birth weight, physical defects, breathing difficulties, death at birth. If mom have hiv it can be pass down. Used by 11% of women while pregnant.