Which statement about pregnancy is accurate?
a. A normal pregnancy lasts about 10 lunar months.
b. A trimester is one third of a year.
c. The prenatal period extends from fertilization to conception.
d. The estimated date of confinement (EDC) is how long the mother will have to be bedridden after birth.
A
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A A lunar month lasts 28 days, or 4 weeks. Pregnancy spans 9 calendar months but 10 lunar months.
B A trimester is one third of a normal pregnancy, or about 13 to 14 weeks.
C The prenatal period covers the full course of pregnancy (prenatal means before birth).
D The EDC is now called the EDB, or estimated date of birth. It has nothing to do with the duration of bed rest.
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