Which of the Following Statements About the First Trimester Is

Multiple Choice

Which of the following statements about the first trimester is false?

A) The events that occur during the first trimester are very complex.
B) Only about 40 percent of conceptions survive the first trimester.
C) During this trimester, cleavage, implantation, placentation and embryogenesis occur.
D) The fetus gains the most weight during the first trimester.
E) It consists of 10 developmental weeks.