Designer, manufacturer and retailer of maternity apparel, Mothers Work Inc has announced a 3.3 per cent increase in net sales for the month from $27m in February 2000 to $27.9m in February 2001. Comparable store sales for the 28 days of February 2001 versus the 29 days of February 2000 decreased 6 per cent. This compares to an increase of 15.1 per cent for the February 2000 period. The company was also able to record an increase in Internet sales of 55 per cent compared to February last year.