3M Nexcare Maternity Support - Providing Comfort and Support During Pregnancy As your baby develops in pregnancy, your tummy grows and may start to feel heavy. You might feel more tired and may even experience aches and pains in your abdomen and back. 3M Nexcare Maternity Support is a latex-free, elasticated support belt that can help to ease some of the physical discomfort associated with pregnancy. It provides gentle but firm support underneath your bump to lift the extra weight, relieve pelvic girdle pain and reduce pressure on the lower back.