Researchers believe that trend s in low-calorie diets may be resulting in a falling proportion of boys being born in some countries.
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Q51: Which of the following happens during stage
Q52: A woman who carries a fetus for
Q53: What is engagement?
A)the expulsion of the mucus
Q54: The soft hair that covers the fetus
Q56: What is the name for the sampling
Q57: Identical twins occur when two sperm are
Q58: If a fertilized egg had just implanted,we
Q59: Pregnant women who drink more than a
Q60: Pregnancy tests measure increased levels of estrogen.
Q103: Fertilization normally takes place in the uterus.
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