Co con be gan nha mjh no nghen tu dau thai ky toi nay 7 8thang roi k an uong dc gi chi uong dc sua,sua bau roi tang cuong them sua tuoi k duong nua,be van tang can phat trien deu me cung k bi thieu chat nua,k an dc thi co gan bo sung nhu thu khac nhieu vao m oi