References
- Ubeda N, Reyes L, González-Medina A. Physiologic changes in homocysteine metabolism in pregnancy: a longitudinal study in Spain. Nutrition. 2011;27:925–930.
- Megahed MA, Taher IM. Folate and homocysteine levels in pregnancy. Br J Biomed Sci. 2004;61:84–87.
- Bjørke Monsen ALB, Ueland PM. Homocysteine and methylmalonic acid in diagnosis and risk assessment from infancy to adolescence. Am J Clin Nutr. 2003;78:7–21.
- Walker MC, Smith GN, Perkins SL, et al. Changes in homocysteine levels during normal pregnancy. Am J Obstet Gynecol. 1999;180:660–664.
- Murphy MM, Scott JM, Arija V, et al. Maternal homocysteine before conception and throughout pregnancy predicts fetal homocysteine and birth weight. Clin Chem. 2004;50:1406–1412.
- Mills JL, McPartlin JM, Kirke PN, et al. Homocysteine metabolism in pregnancies complicated by neural-tube defects. Lancet. 1995;345:149–151.
- Yang M, Li W, Wan Z, et al. Elevated homocysteine levels in mothers with neural tube defects: a systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2016;3:1–7.
- Mascarenhas M, Habeebullah S, Sridhar MG. Revisiting the role of first trimester homocysteine as an index of maternal and fetal outcome. J Pregnancy. 2014;2014:1.
- Yajnik CS, Deshpande SS, Jackson AA, et al. Vitamin B12 and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Diabetologia. 2007;51:29–38.
- Gardosi J, Francis A, Turner S, et al. Customized growth charts: rationale, validation and clinical benefits. Am J Obstet Gynecol. 2018;218:S609–S618.
- Molloy AM, Scott JM. Microbiological assay for serum, plasma, and red cell folate using cryopreserved, microtiter plate method. Methods Enzymol. 1997;281:43–53.
- Kelleher BP, Broin SD. Microbiological assay for vitamin B12 performed in 96-well microtitre plates. J Clin Pathol. 1991;44:592–595.
- Central Statistics Office. European Union (EU) survey on Income and Living Conditions (EU-SILC) 2011 and Revised 2010 Results. Dublin (Ireland): Central Statistics Office; 2013.
- Coombe Women and Infants University Hospital annual clinical Report 2014; [cited 2018 Jan 14]. Available from: http://www.coombe.ie/index.php?nodeId=110
- Furness D, Fenech M, Dekker G, et al. Folate, vitamin B12, vitamin B6 and homocysteine: impact on pregnancy outcome. Matern Child Nutr. 2013;9:155–166.
- Hogeveen M, Blom HJ, den Heijer M. Maternal homocysteine and small-for-gestational-age offspring: systematic review and meta-analysis. Am J Clin Nutr. 2012;95:130–136.
- O’Malley EG, Reynolds CME, Cawley S, et al. Folate and vitamin B12 levels in early pregnancy and maternal obesity. Eur J Obstet Gynecol Reprod Biol. 2018;231:80–84.
- Relton CL, Pearce MS, Burn J, et al. An investigation of folate-related genetic factors in the determination of birthweight. Paediatr Perinat Epidemiol. 2005;19:360–367.