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 20 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 Week 24: a Bottle of Wine That bottle of wine you're wistfully eyeing? It's about as tall as your baby is long, 11.81 inches. Previous Next Start Slideshow Pregnancy