At month 5 (or 20 weeks) Your little champ weighs about 10 ounces and has a height, crown to rump, of about six-and-a-half inches. While your baby is definitely getting bigger, there's still plenty of growing room in there, which allows him to twist and turn (and allows you to feel his acrobatics!). Here's a tip from NP-C, Laura on what you, the mama, can do to feel like your best self for the next 20 weeks!