Oh, babies!

Brooklyn — your babies have come a long way.

And on March 13, the borough gets its very own baby accessory show for new and expectant parents: the A Child Grows in Brooklyn Baby Expo at the Toren tower in Downtown.

The day-long affair will feature seminars, workshops and products from some of the best the borough baby business has to offer.

“This is the best of the best,” said Karen Connell, expo organizer and founder of the blog, achildgrows.com. ”These are all the Brooklyn vendors we love. A new parent wouldn’t know these companies.”

Among the Brooklyn businesses heading to the expo will be bra fitter Iris Lingerie; children’s clothing designer Dressing Em; Park Slope boutique Bump Brooklyn, which will be bringing comfortable yet stylish maternity; and, of course, Babeland, for much-needed sex ed.

Because, after all, we need more babies.

A Child Grows in Brooklyn Baby Expo at Toren [150 Myrtle Ave. at Flatbush Avenue Extension in Downtown, (917) 723-3616], March 13 from 11 am-4 pm. Tickets $35 ($60 for two, in advance). Kids are free. For info, visit www.achildgrows.com/expo.

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