Used during my third trimester after trying a regular store bought brand. This one made a difference! It's my last pregnancy so I'm clearing out all my maternity items. Advanced 3D molding and Ergonest Support Structure™ ergonomically designed to reduce belly pressure and target the abdomen and lower back, alleviating strain and providing supportive comfort during daily activities, prenatal exercises, and standing, making it an essential maternity belly band for moms.