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 takes about 38 weeks for a fertilised egg to develop into a full term baby. The changes that occur over this short time are quite amazing. This page describes some of the things that a fetus can do, and when they start (see here for an animation on fetal development). All of the fetusâs senses will be stimulated naturally during the course of pregnancy, except for vision.