EXHIBIT 11 MOTHERS WORK, INC. AND SUBSIDIARIES COMPUTATION OF PRIMARY EARNINGS PER COMMON SHARE Three Six Months Months Ended Ended March 31, March 31, 1997 1997 ----------- ----------- PRIMARY EARNINGS PER COMMON SHARE: Weighted average common shares outstanding 3,563,342 3,561,306 Net effect of dilutive stock options and warrants -- -- ----------- ----------- Shares used in computing primary earnings per share 3,563,342 3,561,306 =========== =========== Net loss $(7,889,326) $(7,421,265) Preferred stock dividends 299,767 544,142 ----------- ------------ Net loss available to common stockholders $(8,189,093) $(7,965,407) =========== =========== Per common share amount $ (2.30) $ (2.24) =========== =========== 11