Baby Development Milestones: Brain, Bone & Neck Growth Guide

Baby development spans from conception to birth and beyond, encompassing critical milestones in brain, bone, and skull growth. Average infant weight gain and growth spurts vary by month.

Baby Nose Development

Published Jun,13 2017 | By Cheryl Orr

Your baby's development as an embryo begins with fertilization of the egg by a sperm, followed by rapid cell division. Initial division results in the formation of a ball of cells that then folds, divides, changes and grows into your baby with a genetically determined set of characteristics and appearance.

Cheryl Orr is a board-certified anesthesiologist who began writing professionally in 2010. She has been published in "Anesthesiology" and the "Journal of Clinical Anesthesia." She authored "General Anesthesia for Trauma" in the reference text "TRAUMA: Emergency Resuscitation, Perioperative Anesthesia, Surgical Management," published in 2007. Orr earned her medical degree from the University of Pittsburgh.