Has it been proven that premature babies that survive catch up to what a normal 9 month baby does and within what time

Has it been proven that premature babies that survive catch up to what a normal 9 month baby does and within what time scale?

Posted on June 18, 2013 by in Question. Comments Off on Has it been proven that premature babies that survive catch up to what a normal 9 month baby does and within what time