Psych chap 4

the first 2 weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation

the stage of prenatal development from approx. the 3rd through the 8th week after conception, during which the basic forms of all body structures, including internal organs, develop

the stage of prenatal development from the 9th week after conception until birth, during which the fetus gains about 7 lbs. and organs become more mature, gradually able to function on their own

the process beginning about 10 days after conception, in which the developing organism burrows into the placenta that lines the uterus, where it can be nourished and protected as it continues to develop

the name for a developing human organism from about the 3rd through the 8th week after conception

the name for developing human organism from the start of the 9th week after conception until birth

an image of a fetus (or internal organ) produced by using high-frequency sound waves (sonogram)

the age (about 22 weeks after conception) at which a fetus may survive outside the mothers uterus if specialized medical care is available

a quick assessment of a newborns health. the baby's color heartrate, reflexes, muscle tone and respiratory efforts are given a score of 0,1,or 2 twice-at one minute and five minutes after birth-and each time the total of all five scores is compared with the maximum score of 10

a surgical birth, in which incisions through the mothers abdomen and uterus allow the fetus to be removed quickly, instead of being delivered through the vagina

the organ that surrounds and protects the developing creature; about a week after conception

a woman who helps with the birth process. likely to arrive at the womans home during early labor and later work alongside a hospitals staff

agents and conditions, including viruses, drugs and chemicals that can impair prenatal development and result in birth defects or even death

agents and conditions that can harm the prenatal brain, impairing the future childs intellectual and emotional functioning

a situation in which a certain teratogen is relatively harmless in small doses but becomes harmful once exposure reaches a certain level (threshold)

a cluster of birth defects, including abnormal facial characteristics, slow physical growth, and retarded mental development, that may occur in the child of a woman who drinks alcohol while pregnant

a body weight @ birth of less than 5 1/2 lbs. (2500 grams)

a body weight @ birth of less than 3 lbs, 5 ounces (1500 grams)

a birth that occurs 3 0r more weeks before the full 38 weeks of the typical pregnancy- that is at 35 of fewer weeks after conception

a baby whose birthweight is significantly lower that expected, given the time since conception. IE: a 5 lb newborn is considered SGA if born on time but not SGA if born 2 mos early

a disorder that results from damage to the brain's motor centers. People with cerebral palsy have difficulty with muscle control, so their speech and/or body movements are impaired

a lack of oxygen that, if prolonged, can cause brain damage

A test often administered to newborns that measures responsiveness and records 46 behaviors, including 20 reflexes

an unlearned, involunatary action of movement that responds toa stimulus. A reflex occurs without conscious thought

symptoms of pregnancy and birt experienced by fathers

cooperation between a mother and a father based on their mutual commitment to their children. support each other

a new mothers feeling of inadequacy and sadness in the days and weeks after giving birth

hte strong, loving connection that forms as parents hold, examine, and feed their newborn

a form of newborn care in which mothers (and sometimes fathers) rest the baby between the breats. like a kangaroo that carries her immature newborn in a pouch on her abdomen