- Hou W, Yan XT, Bai CM, Zhang XW, Hui LY, Yu XW. Decreased serum vitamin D levels in early spontaneous pregnancy loss. Eur J Clin Nutr. 2016;70(9):1004-8.
- Barbara LH, John O S, Karen D B, Lisa M H, Joseph I S, Marlene M C. Wiliams Gynecology. 3rd ed: McGraw-Hill Education; 2016.
- Zhao R, Wu Y, Zhao F, Lv Y, Huang D, Wei J, et al. The risk of missed abortion associated with the levels of tobacco, heavy metals and phthalate in hair of pregnant woman: A case control study in Chinese women. Medicine (Baltimore). 2017;96(51):e9388.
- Kominiarek MA, Rajan P. Nutrition Recommendations in Pregnancy and Lactation. Med Clin North Am. 2016;100(6):1199-215.
- Willemse J, Meertens LJE, Scheepers HCJ, Achten NMJ, Eussen SJ, van Dongen MC, et al. Calcium intake from diet and supplement use during early pregnancy: the Expect study I. Eur J Nutr. 2020;59(1):167-74.
- RCOG. Vitamin D in Pregnancy: Scientific Impact Paper No. 43; 2014 [Available from: https://www.rcog.org.uk/en/guidelines-research-services/guidelines/sip43/.
- He Z, Xie H, Liang S, Tang Y, Ding W, Wu Y, et al. Influence of different diagnostic criteria on gestational diabetes mellitus incidence and medical expenditures in China. J Diabetes Investig. 2019;10(5):1347-57.
- Fang J, Xie B, Chen B, Qiao C, Zheng B, Luan X, et al. Biochemical clinical factors associated with missed abortion independent of maternal age: A retrospective study of 795 cases with missed abortion and 694 cases with normal pregnancy. Medicine (Baltimore). 2018;97(50):e13573.
- Jurkovic D, Overton C, Bender-Atik R. Diagnosis and management of first trimester miscarriage. BMJ. 2013;346:f3676.
- WHO, UNAIDS. Safe Abortion: technical and policy guidance for health systems: World Health Organization; 2003 [Available from: https://www.who.int/reproductivehealth/publications/unsafe_abortion/9789241548434/en/.
- Bodnar LM, Platt RW, Simhan HN. Early-pregnancy vitamin D deficiency and risk of preterm birth subtypes. Obstet Gynecol. 2015;125(2):439.
- Ganguly A, Tamblyn JA, Finn-Sell S, Chan SY, Westwood M, Gupta J, et al. Vitamin D, the placenta and early pregnancy: effects on trophoblast function. J Endocrinol. 2018;236(2):R93-R103.
- Kumar A, Kaur S. Calcium: A Nutrient in Pregnancy. J Obstet Gynaecol India. 2017;67(5):313-8.
14. Hacker AN, Fung EB, King JC. Role of calcium during pregnancy: maternal and fetal needs. Nutr Rev. 2012;70(7):397-409.
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