1 Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 2  This is the American ICD-10-CM version of J11.1. 3  Other international ICD-10 versions may differ.
It takes approx. 36-40 weeks for the baby to be fully developed. Before that, the baby is premature and might have to spend some time in an incubator.
It took nine months for your abdomen to stretch to accommodate a full-term baby, so it makes sense that it would take at least that long to tighten back up. The speed and degree of this transition depends largely on your normal body size, how much weight you gained during pregnancy, how active you are, and your genes.