$8.99
*Tutu used as prop. Product is for Onesie, tutu not included. View full product details
Maternity sizes work the same as regular clothing sizes. That is, if you normally wear a size "small," you will still be a small in maternity sizes. Same thing with numbered sizes: If you were an 8 pre-pregnancy, look for items in that size.
http://www.sizechart.com/clothing/maternity-pregnancy/us/index.html