Your baby's skeleton is changing from soft cartilage to bone at 17 weeks pregnant, and the umbilical cord is growing stronger and thicker.
The effests of Bulimia on the body: Understanding Bulimia.
Great Chart: Baby Sleep Schedule Infant - 6 weeks old
I'M ALMOST 7 MONTHS! The Pregnancy Survival Guide for First-Time Dads - Primer. This site does a great job of discussing it from a man's pov while staying classy and sophisticated. The article is totally worth reading.
Pregnancy: 17 Weeks