This Saturday, you can eat frozen yogurt all for a good cause. Postpartum Support Charleston is one of the participants in the Charleston Charity Challenge 11 a.m. to 9 p.m. at Sweet CeCe's Frozen Yogurt & Treats, 99 S. Market St. in downtown Charleston. More than 40 organizations are participating, but all you have to do is buy yogurt and designate Postpartum Support Charleston as your charity of choice. For each customers who selects our organization, we receive 20% of each yogurt cup purchase. Bring this coupon and help us raise money!