 The original trial was a two-arm pilot prevention of postpartum depression trial comparing the Internet-based course called Mothers and BabiesMamás y Bebés MB to informational materials on postpartum depression. In the original trial, 1088 pregnant women were recruited and randomized as anticipated to either condition. The study Website has therefore been modified such that all participants who consent to participate will now receive materials from both conditions. We have eliminated the randomization procedure. 