1. It's very breathable and stretchy for a growing belly. 2. You can wear this dress before your bump even starts showing. 3. It's very versatile, you can even wear it after your little bundle is born. 4. It crisscrosses at the top, so it would very easy to use as a nursing dress as well. 5. Size: Small: -Chest Cup: 34-36/B-D -Chest Size:34.25-42.52 in -Length: 58.27 in Medium: -Chest Cup: 34-36/C-E -Chest Size:39.37-44.09 in -Length: 58.66 in Large: -Chest Cup: 36-38/C-F -Chest Size:41.73-47.24 in -Length: 59.06 in X-Large: -Chest Cup: 40-42/C-F -Chest Size:45.67-51.18 in -Length: 59.06 in