[1] Shi H, Chen L, Wang Y, Sun M, Guo Y, Ma S, et al. Severity of anemia during pregnancy and adverse maternal and fetal outcomes. JAMA network open. 2022;5(2):e2147046-e.
[2] Alwan NA, Cade JE, McArdle HJ, Greenwood DC, Hayes HE, Simpson NA. Maternal iron status in early pregnancy and birth outcomes: insights from the Baby's Vascular health and Iron in Pregnancy study. British Journal of Nutrition. 2015;113(12):1985-92.
[3] Stevens GA, Beal T, Mbuya MN, Luo H, Neufeld LM, Addo OY, et al. Micronutrient deficiencies among preschool-aged children and women of reproductive age worldwide: a pooled analysis of individual-level data from population-representative surveys. The Lancet Global Health. 2022;10(11):e1590-e9.
[4] Faghir-Ganji M, Amanollahi A, Nikbina M, Ansari-Moghaddam A, Abdolmohammadi N. Prevalence and risk factors of anemia in first, second and third trimesters of pregnancy in Iran: A systematic review and meta-analysis. Heliyon. 2023;9(3).
[5] Geta TG, Gebremedhin S, Omigbodun AO. Prevalence and predictors of anemia among pregnant women in Ethiopia: Systematic review and meta-analysis. PloS one. 2022;17(7):e0267005.
[6] Karami M, Chaleshgar M, Salari N, Akbari H, Mohammadi M. Global prevalence of anemia in pregnant women: a comprehensive systematic review and meta-analysis. Maternal and child health journal. 2022;26(7):1473-87.
[7] Kinyoki D, Osgood-Zimmerman AE, Bhattacharjee NV, Kassebaum NJ, Hay SI. Anemia prevalence in women of reproductive age in low-and middle-income countries between 2000 and 2018. Nature medicine. 2021;27(10):1761-82.
[8] Geng F, Mai X, Zhan J, Xu L, Zhao Z, Georgieff M, et al. Impact of fetal-neonatal iron deficiency on recognition memory at 2 months of age. The Journal of pediatrics. 2015;167(6):1226-32.
[9] https://www.who.int/data/gho/data/themes/topics/ W, anaemia_in_women_and_children.
[10] Alem AZ, Efendi F, McKenna L, Felipe-Dimog EB, Chilot D, Tonapa SI, et al. Prevalence and factors associated with anemia in women of reproductive age across low-and middle-income countries based on national data. Scientific Reports. 2023;13(1):20335.
[11] Dehghani A, Molani-Gol R, Rafraf M, Mohammadi-Nasrabadi F, Khodayari-Zarnaq R. Iron deficiency anemia status in Iranian pregnant women and children: an umbrella systematic review and meta-analysis. BMC Pregnancy and Childbirth. 2024;24(1):381.
[12] Abd Rahman R, Idris IB, Isa ZM, Rahman RA, Mahdy ZA. The prevalence and risk factors of iron deficiency anemia among pregnant women in Malaysia: a systematic review. Frontiers in nutrition. 2022;9:847693.
[13] Wang R, Xu S, Hao X, Jin X, Pan D, Xia H, et al. Anemia during pregnancy and adverse pregnancy outcomes: a systematic review and meta-analysis of cohort studies. Frontiers in Global Women's Health. 2025;6:1502585.
[14] World Health O. The global prevalence of anaemia in 2011. Geneva: World Health Organization; 2015 2015.
[15] Rajabzadeh R, Hoseini SH, Rezazadeh J, Baghban A, Nasiri M, Hosein Ayati M. [Prevalence of anemia and its related factors in pregnant women referring to health centers of Mane and Samalghan city (Persian)]. The Iranian Journal of Obstetrics, Gynecology and Infertility. 2015;18(171):1-7.
[16] Majidnia M, Kalteh Ei A, Nooreddini A, Kohi H. Prevalence of Maternal Anemia Among Pregnant Women in Golestan Province of Iran in 2020. Journal of Guilan University of Medical Sciences. 2022;31(1):2-17.
[17] Mostajeran M, Hassanzadeh A, Tol A, Majlessi F, Shariat M, Aghdak P. Prevalence of iron deficiency anemia in unwanted and high risk pregnancies in Isfahan Province, Iran. Journal of Health System Research. 2013;9(1):66-75.
[18] Igbinosa II, Leonard SA, Noelette F, Davies-Balch S, Carmichael SL, Main E, et al. Racial and ethnic disparities in anemia and severe maternal morbidity. Obstetrics & Gynecology. 2023;142(4):845-54.
[19] Barton JC, Wiener HH, Acton RT, Adams PC, Eckfeldt JH, Gordeuk VR, et al. Prevalence of iron deficiency in 62,685 women of seven race/ethnicity groups: the HEIRS study. PLoS One. 2020;15(4):e0232125.
[20] Cheng H, Bryant C, Cook R, O'connor H, Rooney K, Steinbeck K. The relationship between obesity and hypoferraemia in adults: a systematic review. obesity reviews. 2012;13(2):150-61.
[21] D’Souza R, Horyn I, Pavalagantharajah S, Zaffar N, Jacob C-E. Maternal body mass index and pregnancy outcomes: a systematic review and metaanalysis. American journal of obstetrics & gynecology MFM. 2019;1(4):100041.
[22] Sanayifar A, Emami Z, Rajabzade R, Sadeghi A, Hosseini SH. The prevalence of anemia and some of its related factors in the pregnant women referred to Bojnurd health and treatment centers, 2014. Sadra Med Sci J. 2015;3(4):246-35.
[23] Taghizadeh R, Khadem al-hosseini M, Janani L, Amiri F. Prevalence of Iron Deficiency Anemia Among Pregnant Women Referred to Fardis Health Centers in 2018. Alborz University Medical Journal. 2022;11(3):271-9.
[24] sarparast razmju P, torklalebaq F. Prevalence of iron deficiency anemia and its related factors in pregnant women referring to health centers in Fanuj city in 2024. SJNMP 2024; 10 (2) :187-19.
[25] Yaghoobi H, Zolfizadeh F, Asadollahi Z, Vazirinejad R, Rezaeian M. Prevalence of iron deficiency anemia and some related factors among pregnant women referred to healthcare centers in Bandar Lengeh, Iran, in 2015. Journal of Occupational Health and Epidemiology. 2015;4(2):92-100.
[26] Hansen R, Sejer EP, Holm C, Schroll JB. Iron supplements in pregnant women with normal iron status: A systematic review and meta‐analysis. Acta obstetricia et gynecologica Scandinavica. 2023;102(9):1147-58.
[27] Figueiredo AC, Gomes-Filho IS, Silva RB, Pereira PP, Mata FAD, Lyrio AO, et al. Maternal anemia and low birth weight: a systematic review and meta-analysis. Nutrients. 2018;10(5):601.
[28] Kumari S, Garg N, Kumar A, Guru PKI, Ansari S, Anwar S, et al. Maternal and severe anaemia in delivering women is associated with risk of preterm and low birth weight: A cross sectional study from Jharkhand, India. One Health. 2019;8:100098.