1Committee on Medical Aspects of Food and Nutrition Policy (1991) Dietary Reference Values for Food Energy and Nutritnets for the United Kingdom. Report no. 41. London: The Stationery Office.
2Committee on Medical Aspects of Food and Nutrition Policy (1998) Nutrition and Bone Health: With Particular Reference to Calcium and Vitamin D. Report no. 49. London: The Stationery Office.
3Scientific Advisory Committee on Nutrition (2007) Update on Vitamin D. London: TSO.
4Hollis BW & Wagner CL (2004) Vitamin D requirements during lactation: high-dose maternal supplementation as therapy to prevent hypovitaminosis D for both the mother and the nursing infant. Am J Clin Nutr 80, Suppl. 6, 1752S–1758S.
5Hypponen E & Boucher BJ (2010) Avoidance of vitamin D deficiency in pregnancy in the United Kingdom: the case for a unified approach in National policy. Br J Nutr 104, 309–314.
6National Institute for Health and Clinical Excellence (2008) Improving the Nutrition of Pregnant and Breastfeeding Mothers and Children in Low-income Households. Report no. 11. London: National Institute for Health and Clinical Excellence.
7Institute of Medicince (2011) Dietary Reference Intakes for Calcium and Vitamin D. Washington, DC: The National Academic Press.
8Hypponen E, Berry D, Cortina-Borja M, et al. (2010) 25-Hydroxyvitamin D and pre-clinical alterations in inflammatory and hemostatic markers: a cross sectional analysis in the 1958 British Birth Cohort. PLoS One 5, e10801.
9Macdonald HM, Mavroeidi A, Fraser WD, et al. (2011) Sunlight and dietary contributions to the seasonal vitamin D status of cohorts of healthy postmenopausal women living at northerly latitudes: a major cause for concern? Osteoporos Int 22, 2461–2472.
10Henderson L, Irving K, Gregory J, et al. (2003) The National Diet & Nutrition Survey: Adults Aged 19 to 64 Years. Vitamin and Mineral Intake and Urinary Analytes. Report No. Vol 3. London: TSO.
11Ruston D, Hoare J, Henderson L, et al. (2003) The National Diet & Nutrition Survey: Adults Aged 19 to 64 Years. Nutritional Status (Anthropometry and Blood Analytes), Blood Pressure and Physical Activity. Report No. Vol 4. London: TSO.
12Haggarty P, Campbell DM, Duthie S, et al. (2009) Diet and deprivation in pregnancy. Br J Nutr 102, 1487–1497.
13Knox S, Harris J, Calton L, et al. (2009) A simple automated solid-phase extraction procedure for measurement of 25-hydroxyvitamin D3 and D2 by liquid chromatography–tandem mass spectrometry. Ann Clin Biochem 46, 226–230.
14Masson LF, McNeill G, Tomany JO, et al. (2003) Statistical approaches for assessing the relative validity of a food-frequency questionnaire: use of correlation coefficients and the kappa statistic. Public Health Nutr 6, 313–321.
15Campbell D, Hall M, Lemon J, et al. (1993) Clinical birthweight standards for a total population in the 1980s. Br J Obstet Gynaecol 100, 436–445.
17Javaid MK, Crozier SR, Harvey NC, et al. (2006) Maternal vitamin D status during pregnancy and childhood bone mass at age 9 years: a longitudinal study. Lancet 367, 36–43.
18Ardawi MS, Nasrat HA & BA'Aqueel HS (1997) Calcium-regulating hormones and parathyroid hormone-related peptide in normal human pregnancy and postpartum: a longitudinal study. Eur J Endocrinol 137, 402–409.
19Ritchie LD, Fung EB, Halloran BP, et al. (1998) A longitudinal study of calcium homeostasis during human pregnancy and lactation and after resumption of menses. Am J Clin Nutr 67, 693–701.
20Cross NA, Hillman LS, Allen SH, et al. (1995) Calcium homeostasis and bone metabolism during pregnancy, lactation, and postweaning: a longitudinal study. Am J Clin Nutr 61, 514–523.
21Mulligan ML, Felton SK, Riek AE, et al. (2010) Implications of vitamin D deficiency in pregnancy and lactation. Am J Obstet Gynecol 202, 429.
22Holmes VA, Barnes MS, Alexander HD, et al. (2009) Vitamin D deficiency and insufficiency in pregnant women: a longitudinal study. Br J Nutr 102, 876–881.
23Haggarty P (2010) Fatty acid supply to the human fetus. Annu Rev Nutr 30, 237–255.
24Cockburn F, Belton NR, Purvis RJ, et al. (1980) Maternal vitamin D intake and mineral metabolism in mothers and their newborn infants. Br Med J 281, 11–14.
25Ashwell M, Stone EM, Stolte H, et al. (2010) UK Food Standards Agency Workshop Report: an investigation of the relative contributions of diet and sunlight to vitamin D status. Br J Nutr 104, 603–611.
26Thornton A (2009) Public Attitudes and Behaviours Towards the Environment: A Report to the Department for Environment, Food and Rural Affairs. London: TNS.
27Fraser DR (1983) The physiological economy of vitamin D. Lancet 322, 969–972.
28Haddad JG, Matsuoka LY, Hollis BW, et al. (1993) Human plasma transport of vitamin D after its endogenous synthesis. J Clin Invest 91, 2552–2555.
29Wortsman J, Matsuoka LY, Chen TC, et al. (2000) Decreased bioavailability of vitamin D in obesity. Am J Clin Nutr 72, 690–693.
30Tzotzas T, Papadopoulou FG, Tziomalos K, et al. (2010) Rising serum 25-hydroxy-vitamin D levels after weight loss in obese women correlate with improvement in insulin resistance. J Clin Endocrinol Metab 95, 4251–4257.
31Zittermann A, Frisch S, Berthold HK, et al. (2009) Vitamin D supplementation enhances the beneficial effects of weight loss on cardiovascular disease risk markers. Am J Clin Nutr 89, 1321–1327.
32Prentice AM, Hennig BJ & Fulford AJ (2008) Evolutionary origins of the obesity epidemic: natural selection of thrifty genes or genetic drift following predation release? Int J Obes (Lond) 32, 1607–1610.
33Wells JC (2006) The evolution of human fatness and susceptibility to obesity: an ethological approach. Biol Rev Camb Philos Soc 81, 183–205.
34Specker BL (1994) Do North American women need supplemental vitamin D during pregnancy or lactation? Am J Clin Nutr 59, 2 Suppl., 484S–490S.
35Mitchell R & Popham F (2008) Effect of exposure to natural environment on health inequalities: an observational population study. Lancet 372, 1655–1660.