Daly, S., J. L. Mills, A. M. Molloy, M. Conley, Y. J. Lee, P. N. Kirke, D. G. Weir, and J. M. Scott. 1997. "Minimum Effective Dose of Folic Acid for Food Fortification to Prevent Neural-Tube Defects." Lancet (London, England) 350 (9092): 1666–69.
Gary M. Shaw et al., "Periconceptional Dietary Intake of Choline and Betaine and Neural Tube Defects in Offspring," American Journal of Epidemiology 160, no. 2 (15 July 2004): 102–9.
Cohen, Joshua T., David C. Bellinger, William E. Connor, and Bennett A. Shaywitz. "A Quantitative Analysis of Prenatal Intake of N-3 Polyunsaturated Fatty Acids and Cognitive Development." American Journal of Preventive Medicine 29, no. 4 (November 2005): 366–74.
Mousa, Aya, Amreen Naqash, and Siew Lim. "Macronutrient and Micronutrient Intake during Pregnancy: An Overview of Recent Evidence." Nutrients 11, no. 2 (20 February 2019): E443.
Luz Maria De‐Regil et al., "Effects and safety of periconceptional oral folate supplementation for preventing birth defects," The Cochrane Database of Systematic Reviews 2015, no. 12 (14 December 2015): CD007950.
Hammiche F, Vujkovic M, Wijburg W, de Vries JH, Macklon NS, Laven JS, Steegers-Theunissen RP. Increased preconception omega-3 polyunsaturated fatty acid intake improves embryo morphology. Fertil Steril. 2011;95(5):1820–1823.
John L Beard, "Effectiveness and strategies of iron supplementation during pregnancy," The American Journal of Clinical Nutrition 71, no. 5 (1 May 2000): 1288S–1294S, https://doi.org/10.1093/ajcn/71.5.1288s.
F. Guidozzi, R. Patel, and A. P. MacPhail, "A Prospective Study of Iron Status in White and Black Pregnant Women in an Urban Hospital," South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde 85, no. 3 (March 1995): 170–73.
WHO. World Health Organization. http://www.who.int/elena/titles/iron_postpartum/fr/
Maeda, Yuto, Kohei Ogawa, Naho Morisaki, Yoshiyuki Tachibana, Reiko Horikawa, and Haruhiko Sago. 2020. "Association between Perinatal Anaemia and Postpartum Depression: A Prospective Cohort Study of Japanese Women." International Journal of Gynaecology and Obstetrics: The Official Organ of the International Federation of Gynaecology and Obstetrics 148 (1): 48–52. https://doi.org/10.1002/ijgo.12982.
Finley, D. A., B. Lönnerdal, K. G. Dewey, and L. E. Grivetti. 1985. "Inorganic Constituents of Breast Milk from Vegetarian and Nonvegetarian Women: Relationships with Each Other and with Organic Constituents." The Journal of Nutrition 115 (6): 772–81. https://doi.org/10.1093/jn/115.6.772.