Popsugar Family Pregnancy Baby Growth Chart For Men A Guy's Guide to Your Baby's Size August 4, 2014 by Leah Rocketto View On One Page Photo 10 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Week 13 Write this one down for your partner. Your baby has grown to the size of a Post-it note. Previous Next Start Slideshow Pregnancy