The 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