From high-end maternity designers like Liz Lange and A Pea in the Pod to midpriced maternity wear newcomers The Gap and Old Navy, clothing designers are on to the potential of this growing market.

"I really do love the clothes here," one bulging acquaintance says. Then she gives this shop the ultimate endorsement. "Actually I'd wear them even if I weren't pregnant." ...

Motherhood Maternity, and A Pea in the Pod. As the largest global maternity company, it also sells products within several major retailers including Macy's and Bed Bath & Beyond. As it moves into ...