<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. CalNo extra K. Cal  <response>: - the energy requirements of women are increased during pregnancy and lactation. - additional 350kcal daily is needed during pregnancy. Reference: Parks textbook of preventive and social medicine, 23rd edition, pg no:633 p 