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- Title
Serum cytokines in second trimester pregnancy and their relationship with spontaneous preterm births in the Ribeirão Preto and São Luiz cohorts.
- Authors
Turra, Suzana Eggers; Damaso, Ênio Luis; Veiga, Eduardo Carvalho de Arruda; Cardoso, Viviane Cunha; Bettiol, Heloisa; Cavalli, Ricardo Carvalho
- Abstract
Objective: To evaluate the association between second trimester plasma cytokine levels in asymptomatic pregnant women and preterm births (PTB) in an attempt to identify a possible predictor of preterm birth. Methods: The study design was a nested case–control study including women with singleton a gestational age between 20–25(+ 6) weeks from two Brazilian cities. The patients were interviewed, Venous blood samples were collected. The participants were again evaluated at birth. A total of 197 women with PTB comprised the case group. The control group was selected among term births (426 patients). Forty-one cytokines were compared between groups. Results: When only spontaneous PTB were analyzed, GRO, sCD40L and MCP-1 levels were lower in the case group (p < 0.05). Logarithmic transformation was performed for cytokines with discrepant results, which showed increased levels of IL-2 in the group of spontaneous PTB (p < 0.05). In both analyses, the incidence of maternal smoking and of a history of preterm delivery differed significantly between the case and control groups. In multivariate analysis, only serum GRO levels differed between the case and control groups. Conclusion: Lower second trimester serum levels of GRO in asymptomatic women are associated with a larger number of PTB. This finding may reflect a deficient maternal inflammatory response.
- Subjects
SAO Luis do Maranhao (Brazil); SECOND trimester of pregnancy; PREMATURE labor; ASYMPTOMATIC patients; CYTOKINES; PREGNANT women
- Publication
BMC Pregnancy & Childbirth, 2023, Vol 23, Issue 1, p1
- ISSN
1471-2393
- Publication type
Article
- DOI
10.1186/s12884-023-05791-3