Psych 230 Sept. 12

__________ is the most common cause of inability to ovulate.

Age

The risk of __________ increases dramatically for children born to women over the age of 45.

Down syndrome

Which of the following statements about maternal blood screening is true?

The tests examine different substances, such as proteins and hormones.

Which of the following statements regarding people with Down syndrome is true?

They age faster than other people.

Which of the following tests is considered to be the safest in terms of risk of miscarriage?

Ultrasound

genetic mutation

a permanent alteration of a DNA sequence that makes up a gene

The most common fertility treatment for a woman who cannot ovulate properly is __________.

fertility drugs

in vitro fertilization (IVF)

form of infertility treatment that involves using drugs to stimulate the growth of multiple follicles in the ovaries, removing the follicles and combining them with sperm, then transferring the most promising zygotes to the uterus

Down Syndrome

genetic disorder due to carrying an extra chromosome on the 21st pair

infertility

inability to attain pregnancy after at least a year of regular sexual intercourse

techniques of prenatal monitoring

includes ultrasound, maternal blood screening, amniocentesis, and chorionic villus sampling (CVS), which provide the ability to monitor the growth and health of the fetus and detect prenatal problems

Shonda and Trinity have been a couple for eight years, and they are now excited to take the leap into parenthood together. Because they are both women, they have decided to use __________, which involves injecting a donor's sperm into Shonda's uterus while she is ovulating.

intrauterine insemination

multifactorial

involve a combination of genetic and environmental factors

There are two main types of chromosomal disorders, those that take place on the 21st pair of chromosomes and those that __________.

involve the sex chromosomes

ultrasound

machine that uses sound waves to produce images of the fetus during pregnancy

assisted reproductive technologies (ART)

methods for overcoming infertility that include intrauterine insemination, fertility drugs, and IVF

amniocentesis

prenatal procedure in which a needle is used to withdraw amniotic fluid containing fetal cells from the placenta, allowing possible prenatal problems to be detected

chroionic villus sampling (CVS)

prenatal technique for diagnosing genetic problems, involving taking a sample of cells at 5-10 weeks of gestation by inserting a tube into the uterus

intrauterine insemination (IUI)

procedure of injecting sperm directly into the uterus

In collectivistic cultures infertility is often __________.

stigmatized

maternal blood screening

tests for a variety of risk factors, including spina bifida and Down syndrome, by examining proteins, hormones, and genetic fragments of DNA from the fetus