The document discusses nutritional requirements during stressful conditions such as pregnancy, lactation, and for newborns. It notes that during pregnancy nutritional needs change and the health of the baby and mother's comfort can be affected by diet. It provides details on increased energy, protein, folate, iron, calcium, and iodine needs during pregnancy. Complications of malnutrition in pregnancy include emotional stress, complicated deliveries, and increased risk of miscarriages and infant mortality. Nutritional needs are also increased during lactation to support milk production and the infant. Breastfeeding is advocated as the best option for newborns for its health benefits though modified formula is also suitable for the first 4-6 months.