Baby Development Guide: Milestones, Teething & Infant Safety

Supporting infant growth involves identifying teething stages, establishing safe sleep environments, and transitioning to age-appropriate solid foods.

Babies and Development

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.