A Georgia mother was heartbroken when her pregnant daughter was declared brain dead, only to find herself in what she described as "a nightmare" for months as her daughter was kept on life support and later gave birth to a premature grandson who is now fighting for his life. April Newkirk's daughter, Adriana Smith, was nine weeks pregnant when her health declined. Smith went to a hospital in early February with bad headaches and was given prescription pain killers safe for pregnant women and sent home, Newkirk told ABC News' Rachel Scott in an interview for "Nightline" that aired on Tuesday. Then, her health got worse -- she became unresponsive and was gasping for air, according to Newkirk. She was rushed to a different hospital, part of the Emory Healthcare System, where a CT scan reveale

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