<qa>  What is the effect of IPP on consistent contraceptive use and rapid repeat pregnancy at 12The investigators have designed a single site, Phase IV open label, prospective observational clinical trial to compare the effect of immediate postpartum Nexplanon placement IPP versus standard postpartum contraceptive care control on consistent contraceptive use and rapid repeat pregnancy at 12 months postpartum in 200 opioid dependent OD women. 