<prompt> A 24 years old primigravida wt 57 kg, Hb 11,0 gm visits an antenatal clinic during 2nd trimester of pregnancy seeking advice on dietary intake. She should be advised -Additional intake of 300 K.calAdditional intake of 500 K.calAdditional intake of 650 K.calNone  <response>: Ans. is None o Females have increased energy requirments during vulnerable periods such as lactation pregnancy. 