Ty's life By Tyreebrown Mar 11, 1997 A baby can hold its head up and reach for objects Period: Mar 11, 1997 to Mar 15, 1997 zygote Period: Mar 11, 1997 to Mar 15, 1997 Zygote Period: Mar 15, 1997 to May 11, 1997 embryo Apr 11, 1997 Heart beats regularly. Eyes and ears begin to form May 11, 1997 Heart develops right and left chambers Period: May 11, 1997 to Dec 11, 1997 Fetus Jul 11, 1997 Infant begins to crawl Aug 11, 1997 Bones are visible. Heartbeat can be heard with a stethoscope Sep 11, 1997 Fingerprints form Oct 11, 1997 Eyelids can open and weight can be up to 6.6 pounds. Sep 11, 2006 Ovulation in females, and sperm production in males begin. Dec 11, 2027 Skin starts to become wrinkled Dec 11, 2027 Aging begins. May 11, 2047 Aging becomes more noticeable and progresses rapidly