Since 1973, IVF has produced how many babies worldwide?
2 million
20 million
200 million
2000
Question 2Which of the following is one of the undesired outcomes of almost 50 percent of IVF pregnancies?
quintuplets or sextuplets
Down syndrome
premature birth
low-birthweight twins or triplets
Question 3Intrauterine insemination was formerly known as:
in-vitro fertilization.
artificial insemination.
assisted reproductive technology.
test-tube babies.
Question 4Marsha has twins, a boy and a girl. The twins are
identical.
dizygotic.
the result of one zygote splitting in two.
monozygotic.
Question 5Beverly and Donald have been unable to conceive through sexual intercourse. They go to a clinic where Donald's sperm is mixed with Beverly's ova in a glass laboratory dish. Viable embryos are later implanted in Beverly's uterus.
Which of the following procedures
has been performed?
in vitro fertilization
ICVF
artificial insemination
intracytoplasmic oval injection
Question 6Women in their late thirties are ______ times as likely to have dizygotic twins as are women in their early twenties.
ten
five
two
three
Question 7In which of the following countries are dizygotic twins most common?
Canada
Scotland
United States
Nigeria
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