Positions

Overview

  • As a clinician-scientist John Owen has focused on collaborative research with many of my colleagues focusing on study design, data analysis and interpretation. Personal research interests include prematurity prevention and obstetric ultrasound. As former fellowship director, Dr. Owen also enjoys teaching our residents and MFM Fellows, especially in obstetric ultrasound.
  • Selected Publications

    Academic Article

    Year Title Altmetric
    2021 Pragmatic Experience with Risk-based versus Universal Hepatitis C Screening in Pregnancy: Detection of Infection and Postpartum Linkage to Care 2021
    2021 Combination of Fundal Height and Ultrasound to Predict Small for Gestational Age at Birth 2021
    2021 Mid-Trimester Cervical Length Screening: Effect of Poorly Developed Lower Uterine Segment on Pregnancy OutcomeJournal of Ultrasound in Medicine2021
    2021 Uterine myomas: effect of prior myomectomy on pregnancy outcomes 2021
    2020 Association between Maternal Serum Hormones along the Maternal-Fetal Hypothalamic-Pituitary-Adrenal Axis and Successful Vaginal Delivery Measured Prior to Labor Induction 2020
    2020 The Effect of Intramuscular 17α-Hydroxyprogesterone in Women Screened for Shortened Cervical Length 2020
    2019 Fetal growth patterns in pregnancy-associated hypertensive disorders: NICHD Fetal Growth StudiesAmerican Journal of Obstetrics and Gynecology.  221:635.e1-635.e16. 2019
    2019 The added value of screening fetal echocardiography after normal cardiac views on a detailed ultrasoundPrenatal Diagnosis.  39:1148-1154. 2019
    2019 Associations between estimated foetal weight discordance and clinical characteristics within dichorionic twins: The NICHD Fetal Growth StudiesPaediatric and Perinatal Epidemiology.  33:332-342. 2019
    2019 A contemporary amniotic fluid volume chart for the United States: The NICHD Fetal Growth Studies–SingletonsAmerican Journal of Obstetrics and Gynecology.  221:67.e1-67.e12. 2019
    2019 Estimating Gestational Age from Ultrasound: External Validation of the NICHD Formula with Comparison to the Hadlock Regression 2019
    2018 Estimating gestational age at birth from fundal height and additional anthropometrics: a prospective cohort studyBJOG: An International Journal of Obstetrics and Gynaecology.  125:1397-1404. 2018
    2018 Maternal body mass index and oxytocin exposure in nulliparous women: is there an interaction associated with maternal and neonatal morbidities? 2018
    2018 Estimating gestational age with sonography: Regression-derived formula versus the fetal biometric averageJournal of Ultrasound in Medicine.  37:677-681. 2018
    2018 The Utility of Repeat Midtrimester Anatomy Ultrasound for Anomaly Detection 2018
    2018 Cohort profile: NICHD fetal growth studies- Singletons and twinsInternational Journal of Epidemiology.  47:25-25l. 2018
    2018 Association of maternal obesity with longitudinal ultrasonographic measures of fetal growth: Findings from the nichd fetal growth studies-singletonsJAMA Pediatrics.  172:24-31. 2018
    2017 Estimating Gestational Age from Ultrasound Fetal BiometricsObstetrics and Gynecology.  130:433-441. 2017
    2017 Maternal Depressive Symptoms, Perceived Stress, and Fetal GrowthJournal of Ultrasound in Medicine.  36:1639-1648. 2017
    2017 Outcomes with cerclage alone compared with cerclage plus 17α-hydroxyprogesterone caproateObstetrics and Gynecology.  129:390-391. 2017
    2016 Completion and sensitivity of the second-trimester fetal anatomic survey in obese gravidasJournal of Ultrasound in Medicine.  35:2449-2457. 2016
    2016 The Performance of First-Trimester Anatomy Scan: A Decision Analysis 2016
    2016 Can the optimal cervical length for placing ultrasound-indicated cerclage be identified? 2016
    2016 Relationship between interpregnancy interval and cervical length in high-risk women 2016
    2016 Predictive Value of Initial Cervical Length for Subsequent Cervical Length Shortening in Women with a Prior Preterm Birth 2016
    2016 Cerclage: Shirodkar, McDonald, and modificationsClinical Obstetrics and Gynecology.  59:302-310. 2016
    2016 Vaginal cerclage: Preoperative, intraoperative, and postoperative managementClinical Obstetrics and Gynecology.  59:270-285. 2016
    2015 Ultrasonographic Fetal Weight Estimation: Should Macrosomia-Specific Formulas Be Utilized? 2015
    2015 Precocious cervical ripening as a screening target to predict spontaneous preterm delivery among asymptomatic singleton pregnancies: A systematic reviewAmerican Journal of Obstetrics and Gynecology.  212:145-156. 2015
    2015 Assessing white's classification of pregestational diabetes in a contemporary diabetic populationObstetrics and Gynecology.  125:1217-1223. 2015
    2015 Is low-dose aspirin therapy to prevent preeclampsia more efficacious in non-obese women or when initiated early in pregnancy? 2015
    2015 Nulliparous women in the second stage of laborObstetrics and Gynecology.  126:81-86. 2015
    2014 Minimising perinatal mortality in twins: planned birth at 38 weeks of gestation for dichorionic and 36 weeks of gestation for monochorionic twins.BJOG: An International Journal of Obstetrics and Gynaecology2014
    2014 Higher-Dose Oxytocin to Prevent Obstetric Hemorrhage at Vaginal Delivery-Does Duration of Infusion Matter? 2014
    2014 Minimising perinatal mortality in twins: Planned birth at 38 weeks of gestation for dichorionic and 36 weeks of gestation for monochorionic twinsBJOG: An International Journal of Obstetrics and Gynaecology.  121:1291. 2014
    2014 Mycoplasma, bacterial vaginosis-associated bacteria BVAB3, race, and risk of preterm birth in a high-risk cohortAmerican Journal of Obstetrics and Gynecology.  210:226.e1-226.e7. 2014
    2014 Risk factors for wound disruption following cesarean delivery 2014
    2014 Selected vaginal bacteria and risk of preterm birth: An ecological perspectiveJournal of Infectious Diseases.  209:1087-1094. 2014
    2013 Vaginal progesterone, cerclage or cervical pessary for preventing preterm birth in asymptomatic singleton pregnant women with a history of preterm birth and a sonographic short cervix: Editorial commentObstetrical and Gynecological Survey.  68:425-427. 2013
    2013 Vaginal progesterone, cerclage or cervical pessary for preventing preterm birth in asymptomatic singleton pregnant women with a history of preterm birth and a sonographic short cervix 2013
    2013 Oronasopharyngeal suction versus wiping of the mouth and nose at birth: A randomised equivalency trial 2013
    2013 The association of maternal obesity with fetal pH and base deficit at cesarean delivery.Obstetrics and Gynecology.  122:262-267. 2013
    2012 Association between body mass index and pregnancy outcome in a randomized trial of cerclage for short cervix 2012
    2012 Cerclage for the prevention of preterm birth in high risk women receiving intramuscular 17-α-hydroxyprogesterone caproate 2012
    2012 Suture type and ultrasound-indicated cerclage efficacy 2012
    2012 Protocols for high-risk pregnanciesContemporary OB/GYN.  57:47-48. 2012
    2012 What factors affect intrapartum maternal temperature? a prospective cohort study: Maternal intrapartum temperatureAnesthesiology.  117:302-308. 2012
    2012 Neonatal outcomes after implementation of guidelines limiting elective delivery before 39 weeks of gestationObstetrics and Gynecology.  119:870. 2012
    2012 Cervical Cerclage for the Prevention of Preterm BirthObstetrics and Gynecology Clinics of North America.  39:25-33. 2012
    2011 Use of ethnic-specific medians for Hispanic patients reduces ethnic disparities in multiple marker screeningPrenatal Diagnosis.  31:331-333. 2011
    2011 Cerclage for short cervix on ultrasonography in women with singleton gestations and previous preterm birth: A meta-analysisObstetrics and Gynecology.  117:663-671. 2011
    2011 High-dose oxytocin is not associated with maternal temperature elevation: A retrospective cohort study of mid-trimester pregnancy with intrauterine fetal demiseInternational Journal of Obstetric Anesthesia.  20:30-33. 2011
    2010 Middle cerebral artery median peak systolic velocity validation: Effect of measurement technique 2010
    2010 17-alpha-hydroxyprogesterone caproate for the prevention of preterm birth in women with prior preterm birth and a short cervical lengthObstetrical and Gynecological Survey.  65:477-478. 2010
    2010 Multicenter randomized trial of cerclage for preterm birth prevention in high-risk women with shortened midtrimester cervical lengthObstetrical and Gynecological Survey.  65:73-74. 2010
    2010 Cervical funneling: Effect on gestational length and ultrasound-indicated cerclage in high-risk womenAmerican Journal of Obstetrics and Gynecology.  203:259.e1-259.e5. 2010
    2009 Racial disparities in perinatal outcomes and pregnancy spacing among women delaying initiation of childbearingMCN: The American Journal of Maternal/Child Nursing.  34:392. 2009
    2009 Prevention of Preterm Birth Based on a Short Cervix: CerclageSeminars in Perinatology.  33:325-333. 2009
    2009 Pregnancy spacing among women delaying initiation of childbearingArchives of Gynecology and Obstetrics.  279:677-684. 2009
    2009 Racial disparities in perinatal outcomes and pregnancy spacing among women delaying initiation of childbearingMaternal and Child Health Journal.  13:81-89. 2009
    2009 Timing of mid-trimester cervical length shortening in high-risk women 2009
    2008 Interpregnancy interval and subsequent perinatal outcomes among women delaying initiation of childbearingJournal of Obstetrics and Gynaecology Research.  34:941-947. 2008
    2008 Decreasing incidence of postcesarean endometritis with extended-spectrum antibiotic prophylaxisObstetrics and Gynecology.  111:51-56. 2008
    2007 Natural history of cervical funneling in women at high risk for spontaneous preterm birthObstetrics and Gynecology.  109:863-869. 2007
    2006 Effect of coitus on recurrent preterm birthObstetrics and Gynecology.  107:793-797. 2006
    2004 Obstetrics and gynecology residents' attitudes toward maternal-fetal medicine fellowship training 2004
    2004 Can shortened midtrimester cervical length predict very early spontaneous preterm birth?American Journal of Obstetrics and Gynecology.  191:298-303. 2004
    2004 Number and gestational age of prior preterm births does not modify the predictive value of a short cervixAmerican Journal of Obstetrics and Gynecology.  191:241-246. 2004
    2004 Vaginal misoprostol versus concentrated oxytocin and vaginal PGE 2 for second-trimester labor inductionObstetrics and Gynecology.  104:138-145. 2004
    2004 Erratum: The association of maternal weight with cesarean risk, labor duration, and cervical dilation rate during labor induction (Obstetrics and Gynecology (March 2004) 103 (452-456) DOI: 10.1097/01.AOG.0000125151.53356.03)Obstetrics and Gynecology.  103:1019. 2004
    2004 Fetal open spina bifida: A natural history of disease progression in uteroPrenatal Diagnosis.  24:287-289. 2004
    2004 Second-trimester cervical sonography: Features other than cervical length to predict spontaneous preterm birthObstetrics and Gynecology.  103:457-462. 2004
    2004 An outcomes analysis of five prenatal screening strategies for trisomy 21 in women younger than 35 yearsAmerican Journal of Obstetrics and Gynecology.  190:721-729. 2004
    2004 The association of maternal weight with cesarean risk, labor duration, and cervical dilation rate during labor inductionObstetrics and Gynecology.  103:452-456. 2004
    2003 Evaluation of the cervix by ultrasound for the prediction of preterm birthClinics in Perinatology.  30:735-755. 2003
    2003 What we have learned about cervical ultrasoundSeminars in Perinatology.  27:194-203. 2003
    2002 A randomized trial of intrapartum analgesia in women with severe preeclampsiaObstetrics and Gynecology.  99:452-457. 2002
    2002 A higher dose of oxytocin was more effective than a standard dose, when infused over 30 min, in preventing uterine atony after cesarean deliveryEvidence-based Obstetrics and Gynecology.  4:120-121. 2002
    2001 Active phase labor arrest: Revisiting the 2-hour minimumObstetrics and Gynecology.  98:550-554. 2001
    2001 Comparison of two oxytocin regimens to prevent uterine atony at cesarean delivery: A randomized controlled trialObstetrics and Gynecology.  98:386-390. 2001
    2001 Mid-trimester endovaginal sonography in women at high risk for spontaneous preterm birth 2001
    2000 Sonography, suspected macrosomia, and prophylactic cesarean: A limited partnershipClinical Obstetrics and Gynecology.  43:326-334. 2000
    2000 Criteria for failed labor induction: Prospective evaluation of a standardized protocolObstetrics and Gynecology.  96:671-677. 2000
    2000 Extra-amniotic saline, laminaria, or prostaglandin E2 gel for labor induction with unfavorable cervix: A randomized controlled trialObstetrics and Gynecology.  96:106-112. 2000
    2000 Midtrimester cervical ripening and labor inductionClinical Obstetrics and Gynecology.  43:495-512. 2000
    2000 Ultrasound findings and multiple marker screening in trisomy 18Obstetrics and Gynecology.  95:51-54. 2000
    1999 Relationship of gestational age and cervical dilation to the timing of delivery 1999
    1999 Active-phase labor arrest: Oxytocin augmentation for at least 4 hoursObstetrics and Gynecology.  93:323-328. 1999
    1999 Prophylactic cesarean delivery for fetal macrosomia diagnosed by means of ultrasonography - A Faustian bargain?American Journal of Obstetrics and Gynecology.  181:332-338. 1999
    1999 Vaginal misoprostol vs. concentrated oxytocin plus low-dose prostaglandin E2 for second trimester pregnancy termination 1999
    1998 Decision analysisClinical Obstetrics and Gynecology.  41:282-295. 1998
    1998 Prophylactic cesarean for prenatally diagnosed malformationsClinical Obstetrics and Gynecology.  41:393-404. 1998
    1998 Pregnancy outcomes following sonographic nonvisualization of the fetal stomachObstetrics and Gynecology.  91:905-908. 1998
    1998 Intraoperative hypothermia and post-cesarean wound infectionObstetrics and Gynecology.  91:582-584. 1998
    1998 A randomized trial of misoprostol and extra-amniotic saline infusion for cervical ripening and labor inductionObstetrics and Gynecology.  91:774-779. 1998
    1998 Does a high carbohydrate preparatory diet affect the 3-hour oral glucose tolerance test in pregnancy? 1998
    1997 Significance of a false-positive trisomy 18 multiple-marker screening testObstetrics and Gynecology.  90:938-942. 1997
    1997 Free β-hCG subunit versus intact hCG in Down syndrome screeningObstetrics and Gynecology.  90:370-374. 1997
    1997 Second-trimester maternal serum CA-125 versus estriol in the multiple-marker screening test for Down syndrome.Obstetrics and Gynecology.  89:359-363. 1997
    1997 Management options in women with preterm uterine contractions: A randomized clinical trialAmerican Journal of Obstetrics and Gynecology.  177:814-818. 1997
    1997 One- versus two-layer closure of a low transverse cesarean: The next pregnancyObstetrics and Gynecology.  89:16-18. 1997
    1997 Second-trimester maternal serum ca-125 versus estriol in the multiple-marker screening test for down syndromeObstetrical and Gynecological Survey.  89:359-363. 1997
    1996 Preterm delivery after indomethacin: A risk factor for neonatal complications? 1996
    1996 The effectiveness and costs of elective cesarean delivery for fetal macrosomia diagnosed by ultrasound 1996
    1996 Concentrated oxytocin plus low-dose prostaglandin E2 compared with prostaglandin E2 vaginal suppositories for second-trimester pregnancy terminationObstetrics and Gynecology.  88:110-113. 1996
    1996 On the use of surrogate end points for the calculation of the false- positive rate of antenatal testing [10]American Journal of Obstetrics and Gynecology.  175:756-757. 1996
    1996 Pregnancy outcome following genetic amniocentesis at 11-14 versus 16-19 weeks' gestationObstetrics and Gynecology.  88:114-118. 1996
    1996 Prognostic significance of unexplained elevated amniotic fluid alpha-fetoproteinObstetrics and Gynecology.  87:213-216. 1996
    1996 Second-trimester cystic hygroma: Prognosis of septated and nonseptated lesionsObstetrics and Gynecology.  88:979-982. 1996
    1996 The effect of manual removal of the placenta on post-cesarean endometritisObstetrics and Gynecology.  87:99-102. 1996
    1996 The significance of non-visualization of the fetal bladder during an ultrasound examination to evaluate second-trimester oligohydramnios 1996
    1995 Determinants of the optimal time in gestation to initiate antenatal fetal testing: A decision-analytic approachAmerican Journal of Obstetrics and Gynecology.  173:1357-1363. 1995
    1995 Screening and treatment of asymptomatic bacteriuria of pregnancy to prevent pyelonephritis: A cost-effectiveness and cost-benefit analysisObstetrics and Gynecology.  86:119-123. 1995
    1995 Subcutaneous tissue approximation in relation to wound disruption after cesarean delivery in obese womenObstetrics and Gynecology.  85:412-416. 1995
    1995 Will αfetoprotein analysis be useful in detecting fetal anomalies in the first trimester? 1995
    1995 Zidovudine for the prevention of vertical HIV transmission: A decision analytic approach 1995
    1994 Active-phase labor arrest: A randomized trial of chorioamnion managementObstetrics and Gynecology.  83:937-940. 1994
    1994 Fetal Echocardiography in Gravidas with Historic Risk Factors for Congenital Heart Disease 1994
    1994 The predictive value of umbilical artery Doppler studies for preeclampsia or fetal growth retardation in a preeclampsia prevention trialObstetrics and Gynecology.  83:609-612. 1994
    1994 Wound complications after cesarean sectionsClinical Obstetrics and Gynecology.  37:842-855. 1994
    1993 Crosa-sectional study examining the relationship between fetal urine production and the amniotic fluid index at 38-43 weeks of gestation 1993
    1993 Cross-sectional study examining the relationship between fetal urine production and the amniotic fluid index at 38–43 weeks of gestationObstetrical and Gynecological Survey.  48:728-729. 1993
    1993 Randomized trial of prophylactic antibiotic therapy after preterm amnion ruptureAmerican Journal of Obstetrics and Gynecology.  169:976-981. 1993
    1993 The effect of low-dose aspirin on fetal urine output and amniotic fluid volumeAmerican Journal of Obstetrics and Gynecology.  169:885-888. 1993
    1993 Trial of labor after a one- or two-layer closure of a low transverse uterine incisionAmerican Journal of Obstetrics and Gynecology.  168:545-546. 1993
    1992 Midtrimester pregnancy termination: A randomized trial of prostaglandin E2 versus concentrated oxytocinAmerican Journal of Obstetrics and Gynecology.  167:1112-1116. 1992
    1992 Oxytocin for the induction or augmentation of laborClinical Obstetrics and Gynecology.  35:464-475. 1992
    1991 Mid-second-trimester labor induction: Concentrated oxytocin compared with prostaglandin E2 vaginal suppositoriesObstetrics and Gynecology.  77:297-300. 1991
    1990 A prospective randomized study of saline solution amnioinfusionAmerican Journal of Obstetrics and Gynecology.  162:1146-1149. 1990
    1989 A comparison of perinatal outcome in patients undergoing contraction stress testing performed by nipple stimulation versus spontaneously occurring contractionsAmerican Journal of Obstetrics and Gynecology.  160:1081-1085. 1989
    1988 Apolipoprotein A-1 in umbilical cord blood of newborn infants: Relation to gestational age and high-density lipoprotein cholesterolPediatric Research.  23:348-351. 1988
    1987 Transporting mothers with fetuses in utero to a level III perinatal center. Report of a clinical experience, 1978-1982.The Alabama journal of medical sciences.  24:17-21. 1987

    Chapter

    Year Title Altmetric
    2015 Cervical Insufficiency.  288-297. 2015
    2012 Cervical Insufficiency.  271-279. 2012
    2010 Cervical Insufficiency.  373-382. 2010
    2008 The Incompetent Cervix.  263-270. 2008

    Education And Training

  • UAB Hospital, Internship
  • UAB Hospital, Residency
  • UAB Hospital, Postdoctoral Fellowship
  • Master of Public Health in Medicine, University of Alabama at Birmingham 2007
  • Doctor of Medicine, University of Texas System : Dallas 1982
  • Bachelor of Engineering, Georgia Institute of Technology 1975
  • Full Name

  • John Owen