Multiple Choice
The first trimester of pregnancy
A) involves a rapid increase in cell size rather than cell number.
B) is the least critical time during fetal development.
C) is a time of particular importance to avoid nutritional deficiencies and environmental exposures that could harm the fetus.
D) is a time when nutritional deficiencies have little effect on the developing fetus.
Correct Answer:

Verified
Correct Answer:
Verified
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