Causes of death among stillbirths
CONTEXT: Stillbirth affects 1 in 160 pregnancies in the United States, equal to the number of infant deaths each year. Rates are higher than those of other developed countries and have stagnated over the past decade. There is significant racial disparity in the rate of stillbirth that is unexplained.
OBJECTIVE: To ascertain the causes of stillbirth in a population that is diverse by race/ethnicity and geography.
DESIGN, SETTING, AND PARTICIPANTS: A population-based study from March 2006 to September 2008 with surveillance for all stillbirths at 20 weeks or later in 59 tertiary care and community hospitals in 5 catchment areas defined by state and county boundaries to ensure access to at least 90% of all deliveries. Termination of a live fetus was excluded. Standardized evaluations were performed at delivery.
MAIN OUTCOME MEASURES: Medical history, fetal postmortem and placental pathology, karyotype, other laboratory tests, systematic assignment of causes of death.
RESULTS: Of 663 women with stillbirth enrolled, 500 women consented to complete postmortem examinations of 512 neonates. A probable cause of death was found in 312 stillbirths (60.9%; 95% CI, 56.5%-65.2%) and possible or probable cause in 390 (76.2%; 95% CI, 72.2%-79.8%). The most common causes were obstetric conditions (150 [29.3%; 95% CI, 25.4%-33.5%]), placental abnormalities (121 [23.6%; 95% CI, 20.1%-27.6%]), fetal genetic/structural abnormalities (70 [13.7%; 95% CI, 10.9%-17.0%]), infection (66 [12.9%; 95% CI, 10.2%-16.2%]), umbilical cord abnormalities (53 [10.4%; 95% CI, 7.9%-13.4%]), hypertensive disorders (47 [9.2%; 95% CI, 6.9%-12.1%]), and other maternal medical conditions (40 [7.8%; 95% CI, 5.7%-10.6%]). A higher proportion of stillbirths in non-Hispanic black women compared with non-Hispanic white and Hispanic ones was associated with obstetric complications (43.5% [50] vs 23.7% [85]; difference, 19.8%; 95% CI, 9.7%-29.9%; P < .001) and infections (25.2% [29] vs 7.8% [28]; difference, 17.4%; 95% CI, 9.0%-25.8%; P < .001). Stillbirths occurring intrapartum and early in gestation were more common in non-Hispanic black women. Sources most likely to provide positive information regarding cause of death were placental histology (268 [52.3%; 95% CI, 47.9%-56.7%]), perinatal postmortem examination (161 [31.4%; 95% CI, 27.5%-35.7%]), and karyotype (32 of 357 with definitive results [9%; 95% CI, 6.3%-12.5%]).
CONCLUSIONS: A systematic evaluation led to a probable or possible cause in the majority of stillbirths. Obstetric conditions and placental abnormalities were the most common causes of stillbirth, although the distribution differed by race/ethnicity.
| Errataetall: |
CommentIn: JAMA. 2011 Dec 14;306(22):2506-7. - PMID 22166612 |
|---|---|
| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:306 |
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| Enthalten in: |
JAMA - 306(2011), 22 vom: 14. Dez., Seite 2459-68 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Stillbirth Collaborative Research Network Writing Group [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 15.12.2011 Date Revised 07.12.2022 published: Print CommentIn: JAMA. 2011 Dec 14;306(22):2506-7. - PMID 22166612 Citation Status MEDLINE |
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| doi: |
10.1001/jama.2011.1823 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Causes of death among stillbirths |
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| 500 | |a Date Completed 15.12.2011 | ||
| 500 | |a Date Revised 07.12.2022 | ||
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| 500 | |a CommentIn: JAMA. 2011 Dec 14;306(22):2506-7. - PMID 22166612 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a CONTEXT: Stillbirth affects 1 in 160 pregnancies in the United States, equal to the number of infant deaths each year. Rates are higher than those of other developed countries and have stagnated over the past decade. There is significant racial disparity in the rate of stillbirth that is unexplained | ||
| 520 | |a OBJECTIVE: To ascertain the causes of stillbirth in a population that is diverse by race/ethnicity and geography | ||
| 520 | |a DESIGN, SETTING, AND PARTICIPANTS: A population-based study from March 2006 to September 2008 with surveillance for all stillbirths at 20 weeks or later in 59 tertiary care and community hospitals in 5 catchment areas defined by state and county boundaries to ensure access to at least 90% of all deliveries. Termination of a live fetus was excluded. Standardized evaluations were performed at delivery | ||
| 520 | |a MAIN OUTCOME MEASURES: Medical history, fetal postmortem and placental pathology, karyotype, other laboratory tests, systematic assignment of causes of death | ||
| 520 | |a RESULTS: Of 663 women with stillbirth enrolled, 500 women consented to complete postmortem examinations of 512 neonates. A probable cause of death was found in 312 stillbirths (60.9%; 95% CI, 56.5%-65.2%) and possible or probable cause in 390 (76.2%; 95% CI, 72.2%-79.8%). The most common causes were obstetric conditions (150 [29.3%; 95% CI, 25.4%-33.5%]), placental abnormalities (121 [23.6%; 95% CI, 20.1%-27.6%]), fetal genetic/structural abnormalities (70 [13.7%; 95% CI, 10.9%-17.0%]), infection (66 [12.9%; 95% CI, 10.2%-16.2%]), umbilical cord abnormalities (53 [10.4%; 95% CI, 7.9%-13.4%]), hypertensive disorders (47 [9.2%; 95% CI, 6.9%-12.1%]), and other maternal medical conditions (40 [7.8%; 95% CI, 5.7%-10.6%]). A higher proportion of stillbirths in non-Hispanic black women compared with non-Hispanic white and Hispanic ones was associated with obstetric complications (43.5% [50] vs 23.7% [85]; difference, 19.8%; 95% CI, 9.7%-29.9%; P < .001) and infections (25.2% [29] vs 7.8% [28]; difference, 17.4%; 95% CI, 9.0%-25.8%; P < .001). Stillbirths occurring intrapartum and early in gestation were more common in non-Hispanic black women. Sources most likely to provide positive information regarding cause of death were placental histology (268 [52.3%; 95% CI, 47.9%-56.7%]), perinatal postmortem examination (161 [31.4%; 95% CI, 27.5%-35.7%]), and karyotype (32 of 357 with definitive results [9%; 95% CI, 6.3%-12.5%]) | ||
| 520 | |a CONCLUSIONS: A systematic evaluation led to a probable or possible cause in the majority of stillbirths. Obstetric conditions and placental abnormalities were the most common causes of stillbirth, although the distribution differed by race/ethnicity | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
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| 700 | 1 | |a Conway, Deborah |e investigator |4 oth | |
| 700 | 1 | |a Coustan, Donald |e investigator |4 oth | |
| 700 | 1 | |a Dudley, Donald J |e investigator |4 oth | |
| 700 | 1 | |a Goldenberg, Robert L |e investigator |4 oth | |
| 700 | 1 | |a Hogue, Carol J Rowland |e investigator |4 oth | |
| 700 | 1 | |a Koch, Matthew A |e investigator |4 oth | |
| 700 | 1 | |a Parker, Corette B |e investigator |4 oth | |
| 700 | 1 | |a Pinar, Halit |e investigator |4 oth | |
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| 700 | 1 | |a Willinger, Marian |e investigator |4 oth | |
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