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Whitney Port is selling some of her chicest pre-pregnancy and maternity clothes through thredUp. Port has expressed feeling the pressure to bounce back after becoming a mom and wants to sell her clothes to make room in her closet for items that fit her new and changing body. Port will be donating 100% of the proceeds to Every Mother Counts with thredUp matching every dollar raised. Every Mother Counts is a charity dedicated to helping women worldwide access essential maternity care. Check out some of the best finds below!