Mothers Work Inc, designer, manufacturer and retailer of maternity apparel, today announced that net sales for the month of January 2001 increased 8.8 per cent to $25.4m from $23.3m for the month of January 2000. Comparable store sales for January 2001 decreased 1.5 per cent compared to an increase of 4.8 per cent for the January 2000 period. As of January 2001, there are a total of 745 locations compared to 648 at January 2000. Although still a minor part of the company's total revenue, Internet sales have increased 139 per cent above January 2000.