Chapter 3: Prenatal Development Flashcards
What happens in the 2nd week gestation
egg and sperm meet: Zygote
what happens in 3-4 weeks of gestation?
zygote enters uterus (blastocyst)
what happens in week 5 of gestation
embryonic sac formed: embryo
at 10 weeks…
most organs formed except CNS: fetus
when does third trimester start
28 weeks
full terms happens at
week 40
in Fetal Development Milestones , 10 weeks is:
early movements, response to touch
in FDM, Week 14 is
mouth and arm movements
at week 22 in fetal dev. milestones
sight and hearing begin to emerge
at week 25 in fetal dev. milestones
pain sensitivity emerged
at week 32, the fetal dev. milesotne is
sleep rhythm, temperament, memory
at week 38, fetal dev. milestone is
distinguish between sounds
terotogens effects vary based on…
dose and timing
Teratogens can be…
some medication and drugs, smoking and alcohol, diet, infectious disease and foodborne illness, radiation and pollution, stress
what are major factors in maternal and infant mortality?
Barriers to healthcare access
discrimination
distrust and worry about bias
the Apgar scale is
a health assessment on new borns
what are some reflexes in newborns?
rooting, moro, grasping, stepping
how is vision newborns?
poor acuity, cannot focus or discriminate color
how is smell in new borns
have a preference for caregiving parents
how is touch in newborns
sensitive, experience pain, release endorphins
how is taste in newborns?
having preferences from in utero
how is hearing in newborns?
prefer human speech, distinguish rhythms and parent voice
how is Sleep in newborns
50% of sleep in REM, not set by hormones until 6 months
what are some things that are SIDS risk
extra blankets and pillows, layers
sleeping on belly
warm temperatures
smoke
cosleeping
