Which of the Following Is True About the Consequences of Smoking

Which of the following is true about the consequences of smoking during pregnancy?

A) If the smoking mother is in good physical condition,fetal development will likely be normal.
B) The best-known effect of smoking during the prenatal period is cancer later in childhood.
C) Smoking during pregnancy can increase the likelihood of miscarriage,prematurity,asthma,infant death,and childhood cancer.
D) Even if a pregnant woman stops smoking during the last trimester,she cannot reduce the likelihood that her child will be born underweight.