Maternity clothing refers to clothes specifically designed for pregnant women, which can accommodate their changing body shape and size during pregnancy. These garments are typically made with stretchy fabrics that allow for expansion as the baby grows, and they often have special features such as empire waists or adjustable fastenings to ensure a comfortable fit. Maternity clothing is available in various styles and sizes to cater to different tastes and preferences, and it can be worn throughout pregnancy until delivery.