A woman is clinically pregnant when fertilization occurs.
A woman is clinically pregnant when implantation is successful.
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Q21: The outer ring of cells of the
Q42: During the third and fourth months,
A)lanugo covers
Q43: The umbilical arteries carry
A)waste and carbon dioxide
Q44: The first system to be visually evident
Q45: During the fourth and fifth weeks
A)all organ
Q46: The heart begins as two tubes that
Q47: Maternal and fetal blood supplies mix to
Q48: The tissues of the gonads is indifferent
Q49: The gender of the individual is determined
Q57: During the eighth week
A)all organ systems have
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