What Would Happen If the Chorion Failed to Secrete Human

Multiple Choice

What would happen if the chorion failed to secrete human chorionic gonadotropin?

A) The embryo would be aborted.
B) The maternal elements of the placenta would fail to develop.
C) The fetal elements of the placenta would fail to develop.
D) Neural tube formation would not occur,and the embryo would have no central nervous system.