[1] Li N,Li Z,Ye R,et al.Impact of periconceptional folic acid supplementation on low birth weight and small-for-gestational-age infants in China: a large prospective cohort study[J].J Pediatr,2017,187: 105-110.
[2] Zou L,Wang X,Yan R,et al.Preterm birth and neonatal mortality in China in 2011[J].Int J Gynaecol Obstet,2014,127(3): 243-247.
[3] Yi C,Li G,Yan R,et al.An epidemiological survey on low birth weight infants in China and analysis of outcomes of full-term low birth weight infants[J].BMC Pregnancy Childbirth,2013,13(1): 242.
[4] Fujita K,Nagasaka M,Iwatani S,et al.Prevalence of small for gestational age (SGA) and short stature in children born SGA who qualify for growth hormone treatment at 3 years of age: population-based study [J].Pediatr Int,2016,58(5): 372-376.
[5] Reuben A,Caspi A,Belsky DW,et al.Association of childhood blood lead levels with cognitive function and socioeconomic status at age 38 years and with IQ change and socioeconomic mobility between childhood and adulthood[J].JAMA,2017,317(12): 1244-1251.
[6] Brose LS,Mcewen A.Neighbourhood deprivation and outcomes of stop smoking support-an observational study[J].PLoS One,2016,11(1): e0148194.
[7] Luo X,Liu L,Gu H,et al.Pathways linking socioeconomic status to small-for-gestational-age (SGA) infants among primiparae: a birth cohort study in China[J].BMJ Open,2018,8(6): e020694.
[8] Patra K,Greene MM,Patel AL,et al.Maternal education level predicts cognitive,language,and motor outcome in preterm infants in the second year of life[J].Am J Perinatol,2016,33(8): 738-744.
[9] Tyrrell J,Jones SE,Beaumont R,et al.Height,body mass index,and socioeconomic status: mendelian randomisation study in UK Biobank[J].BMJ,2016,352: i582.
[10] Natarajan G,Shankaran S.Short- and long-term outcomes of moderate and late preterm infants[J].Am J Perinatol,2016,33(3): 305-317.
[11] Mwaniki MK,Atieno M,Lawn JE,et al.Long-term neurodevelopmental outcomes after intrauterine and neonatal insults: a systematic review[J].Lancet,2012,379(9814): 445-452.
[12] Franz AP,Bolat GU,Bolat H,et al.Attention-deficit/hyperactivity disorder and very preterm/very low birth weight: a meta-analysis[J].Pediatrics,2018,141(1).pii: e20171645.
[13] Blumenshine P,Egerter S,Barclay CJ,et al.Socioeconomic disparities in adverse birth outcomes: a systematic review [J].Am J Prev Med,2010,39(3): 263-272.
[14] Fujiwara T,Ito J,Kawachi I.Income inequality,parental socioeconomic status,and birth outcomes in Japan[J].Am J Epidemiol,2013,177(10): 1042-1052.
[15] Leung JY,Leung GM,Schooling CM.Socioeconomic disparities in preterm birth and birth weight in a non-Western developed setting: evidence from Hong Kong′s ′Children of 1997′ birth cohort[J].J Epidemiol Community Health,2016,70(11): 1074-1081.
[16] Islam A,Islam N,Bharati P,et al.Socio-economic and demographic factors influencing nutritional status among early childbearing young mothers in Bangladesh[J].BMC Womens Health,2016,16: 58.
[17] Lim J,Park HS.Trends in the prevalence of underweight,obesity,abdominal obesity and their related lifestyle factors in Korean young adults,1998-2012[J].Obes Res Clin Pract,2017,12(4): 358-364.
[18] Mendez DD,Thorpe RJ,Amutah N,et al.Neighborhood racial composition and poverty in association with pre-pregnancy weight and gestational weight gain[J].SSM Popul Health,2016,2: 692-699.
[19] Wen T,Lv Y.Inadequate gestational weight gain and adverse pregnancy outcomes among normal weight women in China[J].Int J Clin Exp Med,2015,8(2): 2881-2886.
[20] Smith ER,Shankar AH,Wu LS,et al.Modifiers of the effect of maternal multiple micronutrient supplementation on stillbirth,birth outcomes,and infant mortality: a meta-analysis of individual patient data from 17 randomised trials in low-income and middle-income countries[J].Lancet Glob Health,2017,5(11): e1090-e1100.
[21] Haider BA,Bhutta ZA.Multiple-micronutrient supplementation for women during pregnancy[J].Cochrane Database Syst Rev,2015,11: CD004905.
[22] Xing XY,Tao FB,Hao JH,et al.Periconceptional folic acid supplementation among women attending antenatal clinic in Anhui,China: data from a population-based cohort study[J].Midwifery,2012,28(3): 291-297.
[23] Gebreamlak B,Dadi AF,Atnafu A.High adherence to iron/folic acid supplementation during pregnancy time among antenatal and postnatal care attendant mothers in governmental health centers in Akaki Kality Sub City,Addis Ababa,Ethiopia: hierarchical negative binomial poisson regression[J].PLoS One,2017,12(1): e0169415.
[24] Gupta A,Kumar P,Dorcas OA.Decomposing the socio-economic inequalities in Utilization of full antenatal care in Jharkhand State,India[J].Int J Popul Stud,2017,2(2): 92-106.
[25] Liu X,Gao W,Yan H.Measuring and decomposing the inequality of maternal health services utilization in Western Rural China[J].BMC Health Serv Res,2014,14(1): 102.
[26] Mceachan RR,Prady SL,Smith G,et al.The association between green space and depressive symptoms in pregnant women: moderating roles of socioeconomic status and physical activity[J].J Epidemiol Community Health,2016,70(3): 253-259.
[27] Both MI,Overvest MA,Wildhagen MF,et al.The association of daily physical activity and birth outcome: a population-based cohort study[J].Eur J Epidemiol,2010,25(6): 421-429.
[28] Niu Z,Xie C,Wen X,et al.Potential pathways by which maternal second-hand smoke exposure during pregnancy causes full-term low birth weight[J].Sci Rep,2016,6: 24987.
[29] Aliyu MH,Lynch O,Belogolovkin V,et al.Maternal alcohol use and medically indicated vs.spontaneous preterm birth outcomes: a population-based study[J].Eur J Public Health,2010,20(5): 582-587.
[30] Phad N,Dahlstrom JE,Ellwood D,et al.The effect of pregnancy-induced hypertensive disorders on placental growth along short and long axes and neonatal outcomes[J].Aust N ZJ Obstet Gynaecol,2015,55(3): 239-244.
[31] Aabidha PM,Cherian AG,Paul E,et al.Maternal and fetal outcome in pre-eclampsia in a secondary care hospital in South India[J].J Family Med Prim Care,2015,4(2): 257-260.
[32] Wandabwa J,Doyle P,Kiondo P,et al.Risk factors for severe pre-eclampsia and eclampsia in Mulago Hospital,Kampala,Uganda[J].East Afr Med J,2010,87(10): 415-424.
[33] Song L,Shen L,Li H,et al.Socio-economic status and risk of gestational diabetes mellitus among Chinese women[J].Diabet Med,2017,34(10): 1421-1427.
[34] Billionnet C,Mitanchez D,Weill A,et al.Gestational diabetes and adverse perinatal outcomes from 716,152 births in France in 2012[J].Diabetologia,2017,60(4): 636-644.
[35] Rahman MM,Abe SK,Rahman MS,et al.Maternal anemia and risk of adverse birth and health outcomes in low- and middle-income countries: systematic review and meta-analysis[J].Am J Clin Nutr,2016,103(2): 495-504.
[36] Xia W,Du X,Zheng T,et al.A case-control study of prenatal Thallium exposure and low birth weight in China[J].Environ Health Perspect,2016,124(1): 164-169.
[37] Vejrup K,Brantsaeter AL,Knutsen HK,et al.Prenatal mercury exposure and infant birth weight in the Norwegian Mother and Child Cohort Study[J].Public Health Nutr,2014,17(9): 2071-2080.
[38] Tyrrell J,Melzer D,Henley W,et al.Associations between socioeconomic status and environmental toxicant concentrations in adults in the USA: NHANES 2001-2010[J].Environ Int,2013,59: 328-335.
[39] Guo H,Jin Y,Cheng Y,et al.Prenatal exposure to organochlorine pesticides and infant birth weight in China[J].Chemosphere,2014,110: 1-7.
[40] Hannam K,Mcnamee R,Baker P,et al.Air pollution exposure and adverse pregnancy outcomes in a large UK birth cohort: use of a novel spatio-temporal modelling technique[J].Scand J Work Environ Health,2014,40(5): 518-530.