• Obstetrics and gynecology · Jan 2010

    Second-trimester amniotic fluid proinflammatory cytokine levels in normal and overweight women.

    • Fernando Bugatto, Alvaro Fernández-Deudero, Angeles Bailén, Rosa Fernández-Macías, Blas Hervías-Vivancos, and José L Bartha.
    • Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology and Department of Clinical Chemistry, Puerta del Mar University Hospital, Cádiz, Spain. fgbugatto@yahoo.com
    • Obstet Gynecol. 2010 Jan 1;115(1):127-33.

    ObjectiveTo estimate the relationship between different adipokines and proinflammatory mediators in amniotic fluid and maternal body mass index (BMI), calculated as weight (kg)/height (m)2.MethodsSeventy pregnant women who underwent amniocentesis for clinical reasons at 15-20 weeks of gestation were divided into two groups according to their BMI: a control group with normal weight (BMI 20-24.9, n=35) and a case group (BMI 25 or higher, n=35). The two groups were further divided into two subgroups: overweight (BMI 25-29.9, n=22) or obese (BMI 30 or more, n=13). Comparisons of amniotic fluid cytokines (tumor necrosis factor [TNF]-alpha, interleukin [IL]-8, IL-10, monocyte chemoattractant protein-1, resistin, and leptin) and C-reactive protein (CRP) levels were performed. The relationships between variables and maternal BMI were also analyzed.ResultsThere were significant differences in amniotic fluid CRP and TNF-alpha levels among the studied groups: CRP, 0.018 (+/-0.010), 0.019 (+/-0.013), and 0.035 (+/-0.028) mg/dL (P=.007); and TNF-alpha, 3.98 (+/-1.63), 3.53 (+/-1.38), and 5.46 (+/-1.69) pg/mL (P=.003), for lean, overweight, and obese women, respectively. Both proinflammatory mediators increased in women with obesity compared with both overweight and normal women (P=.01 and P=.008 for CRP; P=.003 and P=.01 for TNF-alpha, respectively). There were significant correlations between maternal BMI and amniotic fluid CRP (r=0.396; P=.001), TNF-alpha (r=0.357; P=.003) and resistin (r=0.353; P=.003).ConclusionAmniotic fluid CRP and TNF-alpha levels are increased in obese women, and both are related to maternal BMI, which suggests in utero exposure to higher proinflammatory cytokines and mediators in fetuses of these women.Level Of EvidenceII.

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