Which is better, suboxone or methadone for detoxing from heroin, while 6 months pregnant?

Which better not clear: Both Methadone and Suboxone would be better than heroin. Which of the two likely better than the other given 6 mos into pregnancy is not entirely clear. Methadone, the older drug, is often preferred during pregnancy, though pregnancy class d. Some evidence to suggest less neonatal opioid dependence occurs with suboxone, pregnancy class c. Ref: http://www.Ncbi.Nlm.Nih.Gov/pmc/articles/pmc3271614/.