Which Role Does the Disincentive Problem Play in the Moral

Which role does the Disincentive Problem play in the moral debate over the right thing to do in cases of fetal abuse? It is invoked to argue

A) That restraining pregnant women from substance abuse would have bad consequences
B) That there is duty to honor pregnant women's autonomous choices about life-style and medical treatment
C) That the risks of fetal harm outweigh the benefits of respecting the autonomy of pregnant women who are substance users
D) None of the above