2Challis J,Matthews G,Gibb W,et al.Endocrine and paracrine regulation of birth at term and preterm[J].Endocrine Rev,2000,21:5142-5148.
3Lye S,Ou C,Teoh T,et al.The molecular basis of labor and tocolysis[J].Fetal Matern Med Rev,1998,10:121-127.
4Jorge A,Rossana J,Mauricio A,et al.Mechanism of paracrine regulation by fetal membrane of human uterine quiescence[J].J Soc Gynecol Investig,2006,13:343-349.
6Keekan J,Coleman M,Mitchell M.The molecular mechanisms of term and preterm labor:recent progress and clinical implications[J].Clin Obstet Gynecol,1997,40:460-467.
7Shirley A,Donna M,Slater S,et al.The involvement of progesterone in the onset of human labor[J].Eur J Obstet Gynecol Reprod Biol,2003,108:177-181.
8Soo-young Oh,Chong JK,Insuk P,et al.Progesterone receptor isoform ration of human fetal membranes increases during term parturition[J].Am J Obstet Gynecol,2005,1913:1156-1160.
9Sennstrom M,Ekman G,Westergren T,et al.Human cerbical ripening,an inflammatory process mediated by cytokines[J].Mol Hum Reprod,2000,6(4):375-379.
10Rodrigues T,Barros H.Risk factors for preterm labor[J].Acta Med Port,1998,11(10):901-907.