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The epidemiology of threatened preterm labor: a prospective cohort study.
Am J Obstet Gynecol. 2005 Apr; 192(4):1325-9; discussion 1329-30.AJ

Abstract

OBJECTIVE

The purpose of this study was to describe the occurrence, timing, and outcomes of hospital-based diagnoses of preterm labor.

STUDY DESIGN

Administrative records identified hospital admissions for preterm labor among 2534 women in an ongoing cohort study. Factors that were considered risks for prematurity were examined by logistic regression for an association with any preterm labor diagnosis, a preterm labor diagnosis <33 weeks of gestation, or > or =33 weeks of gestation.

RESULTS

Of 234 women (9%) who experienced hospitalization for preterm labor, 90 women (38%) were delivered in the first episode. Previous preterm birth consistently was associated with a diagnosis of preterm labor. Reporting a sexually transmitted infection (odds ratio, 1.8; 95% CI, 1.1-3.0) or bacterial vaginosis (odds ratio, 2.6; 95% CI, 1.7-4.1) early in pregnancy was associated with hospitalization for preterm labor between 24 and 32 weeks of gestation.

CONCLUSION

The incidence of first-time hospitalization for preterm labor was 9%, with most episodes not resulting in preterm birth. Previous preterm birth was associated therefore with a preterm labor diagnosis.

Authors+Show Affiliations

Departments of Obstetrics and Gynecology, Epidemiology, and Medicine, The University of North Carolina at Chapel Hill, NC 27599, USA. Auv7@cdc.govNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

15846230

Citation

McPheeters, Melissa L., et al. "The Epidemiology of Threatened Preterm Labor: a Prospective Cohort Study." American Journal of Obstetrics and Gynecology, vol. 192, no. 4, 2005, pp. 1325-9; discussion 1329-30.
McPheeters ML, Miller WC, Hartmann KE, et al. The epidemiology of threatened preterm labor: a prospective cohort study. Am J Obstet Gynecol. 2005;192(4):1325-9; discussion 1329-30.
McPheeters, M. L., Miller, W. C., Hartmann, K. E., Savitz, D. A., Kaufman, J. S., Garrett, J. M., & Thorp, J. M. (2005). The epidemiology of threatened preterm labor: a prospective cohort study. American Journal of Obstetrics and Gynecology, 192(4), 1325-9; discussion 1329-30.
McPheeters ML, et al. The Epidemiology of Threatened Preterm Labor: a Prospective Cohort Study. Am J Obstet Gynecol. 2005;192(4):1325-9; discussion 1329-30. PubMed PMID: 15846230.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The epidemiology of threatened preterm labor: a prospective cohort study. AU - McPheeters,Melissa L, AU - Miller,William C, AU - Hartmann,Katherine E, AU - Savitz,David A, AU - Kaufman,Jay S, AU - Garrett,Joanne M, AU - Thorp,John M, PY - 2005/4/23/pubmed PY - 2005/5/25/medline PY - 2005/4/23/entrez SP - 1325-9; discussion 1329-30 JF - American journal of obstetrics and gynecology JO - Am J Obstet Gynecol VL - 192 IS - 4 N2 - OBJECTIVE: The purpose of this study was to describe the occurrence, timing, and outcomes of hospital-based diagnoses of preterm labor. STUDY DESIGN: Administrative records identified hospital admissions for preterm labor among 2534 women in an ongoing cohort study. Factors that were considered risks for prematurity were examined by logistic regression for an association with any preterm labor diagnosis, a preterm labor diagnosis <33 weeks of gestation, or > or =33 weeks of gestation. RESULTS: Of 234 women (9%) who experienced hospitalization for preterm labor, 90 women (38%) were delivered in the first episode. Previous preterm birth consistently was associated with a diagnosis of preterm labor. Reporting a sexually transmitted infection (odds ratio, 1.8; 95% CI, 1.1-3.0) or bacterial vaginosis (odds ratio, 2.6; 95% CI, 1.7-4.1) early in pregnancy was associated with hospitalization for preterm labor between 24 and 32 weeks of gestation. CONCLUSION: The incidence of first-time hospitalization for preterm labor was 9%, with most episodes not resulting in preterm birth. Previous preterm birth was associated therefore with a preterm labor diagnosis. SN - 0002-9378 UR - https://www.unboundmedicine.com/medline/citation/15846230/The_epidemiology_of_threatened_preterm_labor:_a_prospective_cohort_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0002937805000311 DB - PRIME DP - Unbound Medicine ER -