el conducto anal se abre, pero la membrana rectal permanece intacta
la circulación a través del cordón umbilical está bien desarrollada
los huesos largos comienzan a formarse
Reviewed last on: 10/19/2007
Deirdre O’Reilly, MD, MPH, Neonatologist, Division of Newborn Medicine, Children’s Hospital Boston and Instructor in Pediatrics, Harvard Medical School, Boston, Massachusetts. Review Provided by VeriMed Healthcare Network.