Startseite Risk of preterm birth by maternal age at first and second pregnancy and race/ethnicity
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Risk of preterm birth by maternal age at first and second pregnancy and race/ethnicity

  • Rebecca J. Baer EMAIL logo , Juan Yang , Vincenzo Berghella , Christina D. Chambers , Tumaini R. Coker , Miriam Kuppermann , Scott P. Oltman , Larry Rand , Kelli K. Ryckman , Louis J. Muglia , Paul J. Chung und Laura L. Jelliffe-Pawlowski
Veröffentlicht/Copyright: 29. April 2017
Journal of Perinatal Medicine
Aus der Zeitschrift Journal of Perinatal Medicine Band 46 Heft 5

Abstract

We examined the risk of preterm birth (PTB, <37 weeks’ gestation) in a second pregnancy and analyzed the extent to which this risk varies by maternal age and race/ethnicity. The sample included nulligravida mothers in California who delivered two singletons between 2005 and 2011. Logistic regression was used to calculate the odds of PTB in the second pregnancy. Within each race/ethnicity stratum, women delivering term infants in their first pregnancy and between 25 and 34 years old for both pregnancies served as the referent group. There were 2,90,834 women included in the study. Among women who delivered their first infant at term, the odds of delivering their second infant early differed by race and age. Hispanic, Black and Asian non-Hispanic women who were <18 years for both pregnancies were at higher odds of having a PTB in their second pregnancy (adjusted odds ratios 1.7, 3.3 and 2.9, respectively). Asian non-Hispanic women who were <18 years for their first delivery at term and between 18 and 24 years for their second delivery, or were >34 years for both, were also at higher odds of delivering their second baby prematurely (adjusted odds ratios 1.9 and 1.3, respectively). Women who deliver their first infant at <37 weeks of gestation are at 3 to 7 times higher odds of delivering their second infant preterm. Providers should consider including information about these risks in counseling their patients.

Keywords: Maternal age; preterm birth; race/ethnicity; recurrent preterm birth
Corresponding author: Rebecca J. Baer, MPH, Department of Pediatrics, University of California, San Diego, 9500 Gilman Drive MC0828, La Jolla, CA 92093, USA, Tel.: +(206)351-0850; and California Preterm Birth Initiative, Benioff Children’s Hospital, University of California San Francisco, San Francisco, CA, USA

  1. Author’s statement

  2. Conflict of interest: Authors state no conflict of interest.

  3. Material and Methods: Informed consent: Informed consent has been obtained from all individuals included in this study.

  4. Ethical approval: The research related to human subject use has complied with all the relevant national regulations, and institutional policies, and is in accordance with the tenets of the Helsinki Declaration, and has been approved by the authors’ institutional review board or equivalent committee

  5. Funding: Supported by the California Preterm Birth Initiative within the University of California, San Francisco, CA, USA.

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Supplemental Material:

The online version of this article (DOI: https://doi.org/10.1515/jpm-2017-0014) offers supplementary material, available to authorized users.

Received: 2017-1-12
Accepted: 2017-3-30
Published Online: 2017-4-29
Published in Print: 2018-7-26

©2018 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. A transformative icon for modern perinatology
  4. Highlight: Preterm Labor
  5. Editorial
  6. What’s new in preterm birth prediction and prevention?
  7. Review articles
  8. Pulmo uterinus: a history of ideas on fetal respiration
  9. Mid-trimester preterm premature rupture of membranes (PPROM): etiology, diagnosis, classification, international recommendations of treatment options and outcome
  10. Highlight articles
  11. A soft cervix, categorized by shear-wave elastography, in women with short or with normal cervical length at 18–24 weeks is associated with a higher prevalence of spontaneous preterm delivery
  12. Association between genital mycoplasmas, acute chorioamnionitis and fetal pneumonia in spontaneous abortions
  13. Methylation differences reveal heterogeneity in preterm pathophysiology: results from bipartite network analyses
  14. Understanding fetal factors that contribute to preterm birth: Sjögren-Larsson syndrome as a model
  15. Safety and efficacy of the cervical pessary combined with vaginal progesterone for the prevention of spontaneous preterm birth
  16. Risk of preterm birth by maternal age at first and second pregnancy and race/ethnicity
  17. Infant mortality and causes of death by birth weight for gestational age in non-malformed singleton infants: a 2002–2012 population-based study
  18. Perinatal outcomes after previable preterm premature rupture of membranes before 24 weeks of gestation
  19. Letter to the Editor
  20. Fundal pressure: risk factors in uterine rupture. The issue of liability: complication or malpractice?
https://doi.org/10.1515/jpm-2017-0014
Schlagwörter für diesen Artikel
Maternal age; preterm birth; race/ethnicity; recurrent preterm birth

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. A transformative icon for modern perinatology
  4. Highlight: Preterm Labor
  5. Editorial
  6. What’s new in preterm birth prediction and prevention?
  7. Review articles
  8. Pulmo uterinus: a history of ideas on fetal respiration
  9. Mid-trimester preterm premature rupture of membranes (PPROM): etiology, diagnosis, classification, international recommendations of treatment options and outcome
  10. Highlight articles
  11. A soft cervix, categorized by shear-wave elastography, in women with short or with normal cervical length at 18–24 weeks is associated with a higher prevalence of spontaneous preterm delivery
  12. Association between genital mycoplasmas, acute chorioamnionitis and fetal pneumonia in spontaneous abortions
  13. Methylation differences reveal heterogeneity in preterm pathophysiology: results from bipartite network analyses
  14. Understanding fetal factors that contribute to preterm birth: Sjögren-Larsson syndrome as a model
  15. Safety and efficacy of the cervical pessary combined with vaginal progesterone for the prevention of spontaneous preterm birth
  16. Risk of preterm birth by maternal age at first and second pregnancy and race/ethnicity
  17. Infant mortality and causes of death by birth weight for gestational age in non-malformed singleton infants: a 2002–2012 population-based study
  18. Perinatal outcomes after previable preterm premature rupture of membranes before 24 weeks of gestation
  19. Letter to the Editor
  20. Fundal pressure: risk factors in uterine rupture. The issue of liability: complication or malpractice?
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