Maternity Support Sheer Pantyhose - Style H-260 (Medium Compression 20-22mmHg) by GABRIALLA Statistically, 30-40% of women will develop varicose veins during pregnancy. Medium-strength graduated compression (20-22 mmHg) provides stronger support at the foot and ankle, where you need it most, and gradually decreases up along the leg to the knee and thigh. This unique construction acts like a &ld...