1000 × 667
Source:https://sexymamamaternity.com/maternity-gowns/open-front/
1500 × 1500
Source:https://www.honeychildren.com/products/maternity-shoulderless-pregnancy-maxi-gown-split-front-dress
1118 × 800
Source:https://www.dhgate.com/product/chic-lace-maternity-dresses-for-photo-shoot/405550389.html
1000 × 667
Source:https://sexymamamaternity.com/product/one-shoulder-maternity-dress-2/
1200 × 1200
Source:https://www.ebay.com/itm/354166802387
640 × 640
Source:https://hz.aliexpress.com/i/1005005437489361.html
1022 × 570
Source:https://www.etsy.com/listing/482991533/maternity-gown-open-front-jersey-knit
800 × 600
Source:https://laughingcherries.com/products/yellow-chiffon-split-front-maternity-dress-pregnancy-photo-prop-maternity-shoot-maxi-dress-belly-gown-pregnancy-gown-stylish-maternity
768 × 768
Source:https://www.walmart.com/ip/D-GROEE-Maternity-Dress-for-Photography-Off-Shoulder-Chiffon-Patchwork-Gown-Split-Front-Pregnancy-Dresses-for-Photoshoot/247846968
800 × 800
Source:https://www.dhgate.com/product/maternity-dresses-white-lace-maternity-dress/805644233.html