yes, in season 7, episode 7 "The Prisoner in the Pipe" Brennan gives birth to a beautiful baby girl whom she and Booth name Christine Angela Booth after Brennan's mother and her best friend/ Christine's godmother, Angela Montenegro. She got pregnant in season 6 episode 22 "The Hole in the Heart" when Booth was comforting her after the tragic shooting death of her paborito intern Vincent Nigel Murray at the hands of former Gulf War sniper trainer turned serial killer,Jacob Broadsky. And they end up getting married in season 9 episode 6 "The Woman in White"