We also report evidence that the MLDA laws alter the composition of births that occur. In states with lenient drinking laws, young black mothers are less likely to report paternal information on the birth certificate, particularly in states with restrictive abortion policies. The evidence suggests that lenient drinking laws generate poor birth outcomes in part because they increase the number of unplanned pregnancies.
Personally, I think alcohol abuse is one of the leading causes of abortion. It doesn't matter how much contraception you give to kids, if they're drunk they won't use it.