Child Psych Ch.3
What are considered teratogens?
-Alcohol -Certain bacteria -Drugs
What negatively effects the quality of sperm?
-Exposure to toxins -Exposure to radiation
Which factors during pregnancy can result in a baby being born vulnerable and at risk?
-Less than optimal nutrition -Exposure to harmful substances
How many women gain more or less than the recommended amount of weight during pregnancy?
1 in 3
A woman of normal weight and body build should gain between the recommended ______ pounds during pregnancy.
16 to 40
The embryonic period occurs from about _____ to eight weeks after conception.
2
The germinal period of prenatal development takes place in the first _____ weeks after conception.
2
How much weight should an underweight woman gain during pregnancy?
28 to 40 pounds
Pregnant women need _____ to 500 additional calories per day.
300
How many additional calories do pregnant women need per day?
300 to 500
What is the normal range for gestation?
37 to 41 weeks
The span from fertilization to birth usually lasts 37 to ______ weeks.
41
What is a teratogen?
An environmental agent that can interfere with fetal development
What occurs in the germinal stage?
Division of the zygote
What is the prenatal stage that lasts about seven months?
Fetal
Where does fertilization usually occur?
In the fallopian tube
Which person has the most environmental influence on a fetus?
Mother
Which mothers should gain the least amount of weight during pregnancy?
Obese mothers
What is gestation?
Prenatal period of development, from conception to birth
What is the consequence of a mother consuming fewer calories than recommended during pregnancy?
The child may be obese later in life.
True or false: The exposure of fathers to certain environmental agents can affect their offspring.
True
Which ethnic group receives the best prenatal care?
White
Melinda is three weeks pregnant. The developing organism is in the ______ stage.
embryonic
The stage that occurs from two to eight weeks after conception is known as the
embryonic stage.
Fertilization typically takes place in the _____ _____.
fallopian tube
The prenatal stage that begins about two months after conception is the _____ stage.
fetal
The period of prenatal development that takes place in the first two weeks after conception is known as the
germinal stage.
Infant mortality rates are ______ (higher/lower) for non-Hispanic blacks than for whites.
higher
Mothers who do NOT consume enough calories during pregnancy actually might be putting their children at risk to be _____ (obese/underweight) later in life.
obese
