<prompt> Extremely low birth weight -1000150025002800  <response>: Ans. a 1000 gmRef : OP Ghai 8th ed.125 Normal birth weight - 2800 gm- 3000gm Low birth weightLBW - 2500 gm Very low birth weightVLBW - 1500 gm Extremely low birth weight ELBW - 1000 gm. 