Wore this to run through my entire pregnancy and even wore it post C-section for abdominal support- would not have made it through pregnancy without it! A must for any mother who likes to stay active. Size medium (30"-36"). Sizing assistance can be found on the website: https://www.recorefitness.com/store/maternity-fitsplint The ReCore Fitness Maternity FITsplint™ (formally called Mombodfitness) lifts belly up off bladder to help reduce bladder pressure. Straps can separate for motion control during activity or be placed down low for more hip support. Fully adjustable for custom fit. Used for diastasis, hip, back or bladder support, pelvic girdle pain etc.