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 31 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 31 Week 35: a Throw Pillow A standard throw pillow is approximately the same size as your almost-here baby, 18.19 inches. Practice cuddling on the couch! Previous Next Start Slideshow Pregnancy