2Di Renzo GC,Roura LC. European Association of Perinatal Medicine-Study Group on Preterm Birth.Guidelines for the management of spontaneous preterm labor[J].{H}Journal of Perinatal Medicine,2006,(05):359-366.
3ACOG Committee on Practice Bulletins-Obstetrics. ACOG Practice Bulletin No.001 premature rupture of membranes.Clinical management guidelines for obstetrician-gynecologists[J].{H}OBSTETRICS AND GYNECOLOGY,2007,(04):1007-1019.
4Lamont RF. Setting up a preterm prevention clinic:a practical guide[J].{H}BJOG:An International Journal of Obstetrics and Gynaecology,2006,(05):674-675.
6Di Renzo GC,Roura LC,Facchinetti F. Guidelines for the management of spontaneous preterm labor.identification of spontaneous preterm labor,diagnosis of preterm premature rupture of membranes,and preventive tools for preterm birth[J].{H}Journal of Maternal Fetal and Neonatal Medicine,2011,(05):659-667.
