Mothers Work, Inc (Nasdaq: MWRK) today announced that net sales for the month of November 2000 increased 14.0 per cent to $32.5m from $28.6m for November 1999. Comparable store sales for November 2000 increased 3.2 per cent (based on 632 locations) compared to an increase of 7.9 per cent(based on 539 locations) for the November 1999 period.