Cluster analysis of spontaneous preterm birth phenotypes identifies potential associations among preterm birth mechanisms
Esplin MS, Manuck TA, Varner MW, Christensen B, Biggio J, Bukowski R, Parry S, Zhang H, Huang H, Andrews W, Saade G, Sadovsky Y, Reddy UM, Ilekis J. Cluster analysis of spontaneous preterm birth phenotypes identifies potential associations among preterm birth mechanisms. American Journal Of Obstetrics And Gynecology 2015, 213: 429.e1-429.e9. PMID: 26070700, PMCID: PMC4556543, DOI: 10.1016/j.ajog.2015.06.011.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthDecidual hemorrhagePlacental dysfunctionProspective case-control multicenter studyCase-control multicenter studyPremature membrane ruptureGroup of womenCommon biologic pathwaysMaternal comorbiditiesPreterm singletonsPreterm birthWeeks' gestationMulticenter studyMaternal stressSecondary analysisBiologic pathwaysFamilial factorsGenetic factorsWomenPhenotypic profileGestationInfectionMembrane ruptureCommon mechanismPhenotypeThe association of beta‐2 adrenoceptor genotype with short‐cervix mediated preterm birth: a case–control study
Miller R, Smiley R, Thom E, Grobman W, Iams J, Mercer B, Saade G, Tita A, Reddy U, Rouse D, Sorokin Y, Blackwell S, Esplin, Tolosa J, Caritis, Network E. The association of beta‐2 adrenoceptor genotype with short‐cervix mediated preterm birth: a case–control study. BJOG An International Journal Of Obstetrics & Gynaecology 2015, 122: 1387-1394. PMID: 25600430, PMCID: PMC4508241, DOI: 10.1111/1471-0528.13243.Peer-Reviewed Original ResearchConceptsShort cervixCervical lengthAR genotypeMaternal-Fetal Medicine Units NetworkEunice Kennedy Shriver National InstituteNormal cervical lengthShort cervical lengthShort cervix groupPreterm birth riskCase-control studyRace/ethnicitySpontaneous PTBNulliparous womenPregnancy outcomesPreterm birthTransvaginal sonogramsPrimary outcomePTB riskSecond trimesterAncillary studiesChild healthBirth riskCervixAdrenoceptor genotypeControl group