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Maternal serum interleukin 1, 2, 6, 8 and interleukin-2 receptor levels in preterm labor and delivery

2000; Elsevier BV; Volume: 88; Issue: 1 Linguagem: Inglês

10.1016/s0301-2115(99)00129-3

1872-7654

Francisco Javier Medel Rebollo, Rosa Codoceo, Antonio G. González, Margarita Álvarez de la Rosa Rodríguez,

Reproductive System and Pregnancy

Objective: To determine the concentrations of maternal serum interleukins (ILs) 1, 2, 6, 8 and IL-2 receptors (IL-2R) in patients in their second and third trimesters of pregnancy and in preterm labor and delivery without evidence of chorioamnionitis. Study design: The study was conducted in La Paz Maternal Hospital, Madrid. Maternal serum IL concentrations were measured in 103 gravidas during preterm labor and delivery. The Mann–Whitney U test was used for analysis. Results: Women in preterm labor and delivery had significantly higher median IL-2R concentration. Women who responded to tocolysis had significantly lower serum concentrations of IL-6. IL-2R and IL-6 serum concentrations predict delivery in 48 h and before 34 weeks gestation. Conclusions: Compared with non-laboring gravidas, those in idiopathic preterm labor or delivery had significantly higher concentrations of maternal serum IL-2R. Both IL-6 and IL-2R may predict failure of tocolysis. IL-2 does not seem to play an important role in pregnancy.