<prompt> L.B.W. Baby -2.9- 2.6 kg2.7-2.9 kg3.2-3.5kg1.5-2.5 kg  <response>: Ans. is d1 i.e., 1.5-2.5 kg o Low birth weight-2.5 - 1.5 kgo Very low birth weight-1.5 - 1.0 kgo Extremely low birth weight- 1.0 kg 