Emily's life By 250048 Sep 13, 1997 Heart beats regularly eyes and ears begin to form Sep 14, 1997 Heart develops right and left chambers Sep 17, 1997 Bones are visible. heartbeat can be heard with a stethoscope Sep 19, 1997 Eyelids can open and weight can be up to 6.6 pounds Nov 9, 1997 Aging becomes more noticeable and progresses rapidly Period: Dec 9, 1997 to Dec 13, 1997 Zygote Period: Dec 13, 1997 to Feb 9, 1998 Embryo Period: Feb 9, 1998 to Feb 11, 1998 Fetus Period: Sep 11, 1998 to Sep 11, 2000 Infancy Nov 12, 1998 A baby can hold its head up and reach fo objects Nov 16, 1998 Infant begins to crawl. Nov 18, 1998 Fingerprints form Period: Sep 11, 2000 to Sep 11, 2011 Childhood Period: Sep 11, 2007 to Sep 11, 2013 Puberty Nov 9, 2008 Ovulation in females and sperm production in males begin Period: Sep 11, 2011 to Sep 11, 2018 Adolescence Period: Sep 11, 2018 to Sep 11, 2078 Adulthood Sep 11, 2028 Skin starts to become wrinkled. Sep 11, 2028 Aging begins