BabyCenter: Development Timeline About this site: Find out what to do and what to expect from the time you decide to have a baby until your child's first birthday. As you scroll down the page you'll find handy "to-do" checklists, reading lists, and links to helpful articles. (http://www.babycenter.com/timeline.html)Pluses: Timeline is incredibly thorough, featuring suggestions such as "Start researching childbirth classes" (Week 18), which link to other areas of the site. Minuses: You need to scroll up and down a lot on the long page. Best feature: You can register to get personalized e-mails for your stage of pregnancy.