The complete European guidelines on phenylketonuria: diagnosis and treatment

Table 10 Additional energy requirements in general population (non-PKU) pregnancy

References	Additional energy requirements in pregnancy (kcal/day)
References	1st trimester	2nd trimester	3rd trimester
UK SACN (2011) [353]	None	None	191 kcal/day
FAO/WHO/UNU (2001) (based on gestational weight gain of 12 kg) [393]	85 kcal/day	360 kcal/day	475 kcal/day
^aIOM dietary reference intakes (2005) [382] For women 19–50 years	None	340 kcal/day	452 kcal/day
^aIOM dietary reference intakes (2005) [382] for girls 14–18 years	None	340 kcal/day	452 kcal/day

^aEnergy requirements based on following assumptions: total energy expenditure changes little and weight gain is small during the first trimester so additional energy recommended during second and third trimester only

ISSN: 1750-1172