Follow the development of baby from week 14, the start of the second trimester, to week 40, the last week of a normal gestation period, including delivery. During this time, the immune system, hearing and breathing develops. Learn more.

Animation produced by Visible Productions Inc.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.