TY - CHAP M1 - Book, Section TI - Chapter 192. Tocolysis A1 - Haselkorn, M. Lee A1 - Rédai, Imre A2 - Atchabahian, Arthur A2 - Gupta, Ruchir PY - 2013 T2 - The Anesthesia Guide AB - Defined as delivery before completion of 37 weeksIncreasing in frequency in the United States: 9.4% (1981), 10.7% (1992), 12.3% (2003), 12.8% (2006)Pathophysiology:Excessive myometrial and fetal membrane overdistention:Multiple gestationPolyhydramniosDecidual hemorrhagePrecocious fetal endocrine activityIntrauterine infection or inflammationClinical diagnosis: regular, painful uterine contractions + cervical dilatation or effacementOutcome:Thirty percent diagnosed as “preterm labor” will deliver full termFifty percent hospitalized for “preterm labor” will deliver full termTherapeutic interventions seldom effective in prolonging pregnancy SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=57263498 ER -