Popsugar Parenting Pregnancy How Big Is My Baby? A Week-by-Week Fetus-Size Guide Based on Objects You Actually Know 8 June 2018 by Annie Gabillet View On One Page Photo 33 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 33 Week 37: a Windshield Wiper Blade Your baby is 19.13 inches long this week — just like a windshield-wiper blade. Previous Next Start Slideshow Pregnancy