Los Angeles-based SheKnows.com, an online operator of a number of web sites focused on women, said today that it has acquired ChefMom, an online web site focused on cooking and recipe exchange. Financial terms of the deal were not disclosed. ChefMom provides recipes, interactive shopping lists, how-to-guides, and articles all focused on helping mothers prepare meals. The acquisition follows the purchase of PregnancyFashion.com and CelebrityPregnancy.com last week, and the acquisition of PregnancyAndBaby.com earlier this month. SheKnows.com is owned by AtomicOnline.