1. Sherlock RL, Anderson PJ, Doyle LW, Victorian infant collaborative study group. Neurodevelop-mental sequelae of intraventricular hemorrhage at 8 years of age in a regional cohort of ELBW/very preterm infants. Early Hum Dev. 2005;81(11): 909-16.
2. Abrishami M, Maemori G, Boskabadi H, Yaeghobi Z, MafiNejad S. Incidence and risk factors of retinopathy of prematurity in mashhad, northeast. Iran RedCrescent Med J. 2013;15(3):229-33.
3. Schmid MB, Reister F, Mayer B, Hopfner RJ, Fuchs H, Hummler HD. Prospective risk factor monitoring reduces intracranial hemorrhage rates in preterm infants. Dtsch Arztebl Int. 2013;110(29-30): 489-96.
4. Sarkar S, Bhagat I, Dechert R, Schumacher RE, Donn SM. Severe intraventricular hemorrhage in preterm infants: comparison of risk factors and short-term neonatal morbidities between grade 3 and grade 4 intraventricular hemorrhage. Am J Perinatol. 2009; 26(06):419-24.
5. Boskabadi H, Zakerihamidi M, faramarzi R. The vitamin D level in umbilical cord blood in premature infants with or without intra-ventricular hemorrhage: a cross-sectional study. Int J Reprod Biomed. 2018;16(7):429-34.
6. Fanaroff AA, Martin RJ. Neonatal-perinatal medicine: diseases of the fetus and infant. Philadelphia:Mosby Elsevier; 2006. P.924-33.
7. Jain NJ, Kruse LK, Demissie K, Khandelwal M. Impact of mode of delivery on neonatalcomplications: trends between 1997 and 2005. J MaternFetal Neonatal Med. 2009;22(6):491-500.
8. Wilson-Costello D, Friedman H, Minich N, Fanaroff AA, Hack M. Improved survival rates with increasedneurodevelopmental disability for extremely low birth weight infants in the 1990s. Pediatrics. 2005;115(4):997-1003.
9. Stoll BJ, Hansen NI, Bell EF, Shankaran S, Laptook AR, Walsh MC, et al. Neonatal outcomes of extremely preterm infants from theNICHD Neonatal Research Network. Pediatrics. 2010; 126(3):443-56.
10. Poryo M, Boeckh JC, Gortner L, Zemlin M, Duppré P, Ebrahimi-Fakhari D, et al. Ante-, peri- and postnatal factors associated with intraventricular hemorrhage in very premature infants. Early Hum Dev. 2017;116:1-8.
11. Linder N, Haskin O, Levit O, Klinger G, Prince T, Naor N, et al. Risk factors for intraventricular hemorrhage in very low birth weight premature infants: a retrospective case-control study. Pediatrics. 2003; 111(5 Pt 1):590-5.
12. Badiee Z. Prevalence and risk factors of intraventricular hemorrhage in premature newborns less than 35weeks in neonatal intensive care units
of Isfahan. J Isfahan Med Sch. 2007;24(83):15-23.
13. Khodapanahandeh F, Khosravi N, Larijani T. Risk factors for intraventricular hemorrhage in very low birth weight infants in Tehran, Iran. Turk J Pediatr. 2008;50(3):247-52.
14. Boskabadi H, Zakerihamidi M, Sadeghian M, Avan A, Ghayour-Mobarhan M, Ferns GA. Nucleated red blood cells count as a prognostic biomarker in predicting the complications of asphyxia in neonates. J Matern Fetal Neonatal Med. 2017; 30(21):2551-6.
15. Hanion-Lundberg KM, Kirby RS, Gandhi S, Broekhuizen FF.Nucleated red blood cells in cord blood ofsingleton term neonates.Am J Obstet Gynecol. 1997; 176(6):1149-54.
16. Anderson GW. Studies on the nucleated red. Cell count inthechorionic capillaries and the cord blood of various ages of pregnancy. Am J Obstet Gynecol. 1941; 42(1):1-14.
17. Akyol D, Hajdu C, Ferber A, O'reilly-Green C, Giancotti FR,Dorsett BH, et al. Fine-needle aspiration in the evaluation ofnucleated red blood cells in the human placenta. Am J Obstet Gynecol. 2003; 189(1):155-8.
18. Korst LM, Phelan JP, Ahn MO, Martin GI. Nucleated red bloodcells: an update on the marker for fetal asphyxia. Am J Obstet Gynecol. 1996; 175(4 Pt 1):843-6.
19. Hermansen M. Nucleated red blood cells in the fetus and newborn.Arch Dis Child Fetal Neonatal Ed.2001;84(3):F211-5.
20. Baschat AA, Gungor S, Kush ML, Berg C, Gembruch U, Harman CR. Nucleated red blood cell counts in the first week of life: a critical appraisal of relationships with perinatal outcome in preterm growth-restricted neonates. Am J Obstet Gynecol. 2007; 197(3):286.e1-8.
21. Oski FA, Naiman JL. Hematologic problems in the newborn. Philadelphia: WB Saunders Co; 1982. P. 1-31.
22. Ferber A, Fridel Z, Weissmann-Brenner A, Minior VK, Divon MY.Are elevated fetal nucleated red blood cell counts an indirectreflection of enhanced erythropoietin activity? Am J Obstet Gynecol. 2004; 190(5):1473-5.
23. Huch R, Huch A. Maternal and fetal erythropoietin: physiological aspects and clinical significance. Ann Med.1993; 25(3):289-93.
24. Teramo K, Hiilesmaa VK, Schwartz R, Clemons GK, Widness JA. Amniotic fluid and cord plasma erythropoietin levels in pregnancies complicated by preeclampsia, pregnancy-induced hypertension and chronic hypertension. J Perinat Med. 2004; 32(3):240-7.
25. Doi S, Osada H, Seki K, Sekiya S. Relationship of amniotic fluid index and cord blood erythropoietin levels in small for and appropriate for gestational age fetuses. Obstet Gynecol.1999; 94(5 Pt 1): 768-72.
26. Baschat AA, Gembruch U, Reiss I, Gortner L, Harman CR. Neonatal nucleated red blood cell count and
postpartum complications in growth restricted fetuses. J Perinat Med. 2003;31(4):323-9.
27. Kil TH, Han JY, Kim JB, Ko GO, Lee YH, Kim KY, et al. A study on the measurement of the nucleated red blood cell (nRBC) count based on birth weight and its correlation with perinatal prognosis in infants
with very low birth weights. Korean J Pediatr. 2011;54(2):69-78.
28. Green DW, Hendon B, Mimouni FB. Nucleated erythrocytes and intraventricular hemorrhage in preterm neonates. Pediatrics. 1995;96(3):475-8.