How Pregnancy and Lactation affects the bmr?
These periods of physiological stress also has an impact on the metabolic rate. Earlier, we studied that REE is highest during the periods of rapid growth, i.e. chiefly during the first and second year of life, In pregnancy too, which is the foetal growth period, the metabolic rate increases, particularly later in pregnancy because of uterine, placental and foetal growth and the mother's increased cardiac work load.