Chapter 4 Flashcards
prenatal development (6)
- midway of menstrual cycle (every 28 days) ovum is released
- intercourse: 300 million sperm enter body
- 300 survive 6 hour journey to fallopian tube
- one sperm enters egg
- biochemical reaction keeps other sperm from entering
- conception has taken place
prenatal stage lasts about ___ days/months
266 days/9 months
second trimester (4)
- months 4 to 6
- refined activities (thumb sucking)
- sensory organ functioning
- age of viability
third trimester (4)
- months 6 to 9
- rapid growth in length/weight
- myelin (insulation cover on brain) development, improving ability of neurons to transmit signals
- waking, heart rate, and sleeping patterns
diseases affecting the prenatal environment (4)
- rubella: blindness, deafness, heart defects, brain damage
- gestational diabetes
- syphilis: blindness, deafness, heart defects, brain damage
- AIDS
environmental hazards to prenatal development (2)
- radiation
- pollutants: heavy metal, mercury, pesticides
parents’ state in prenatal development (2)
- mother: stay active, diet, quit smoking, age, emotional state, nutritional state
- father: age, risks/physical and mental/down syndrome
possible birthing hazards (4)
- anoxia (lack of O2) due to tangled umbilical cord, sedative to mom, mucus, or breech birth (feet first)
- complicated delivery: use of forceps or suction cups
- c-section: when baby too large, fetus out of position, placenta prematurely separates from the uterus, fetal monitoring indicates a problem (mothers take longer to recover and bond)
- medications/sedatives
neonatal enviornment
-cross-cultural variation in beliefs concerning newborns
(-the beng/ivory coast view newborn as not this world until umbilical cord falls off/gives enemas twice a day using chili pepper solution)
-sleep in bed with mother/breast feed for children above 4 years old
-industrialized nations
-infants not touched as much, on an eat schedule