Accurate Reporting of Expected Delivery Date by Mothers 9 Months After Birth

Poulsen, Gry; Kurinczuk, Jennifer J; Wolke, Dieter; Boyle, Elaine M.; Field, David; Alfirević, Z̄arko; Quigley, Maria

doi:10.1097/ogx.0b013e31825022ed

Cited by 15 publications

(23 citation statements)

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“…Gestational age in weeks was calculated using the mother's report of the expected due date, which corresponded well with data in routine hospital records 13. The only exception was for the post-term group (42–43 weeks), which had a relatively high misclassification rate,13 and hence has been excluded from this study.…”

Section: Methodsmentioning

confidence: 99%

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Early term and late preterm birth are associated with poorer school performance at age 5 years: a cohort study

Quigley

Poulsen

Boyle

et al. 2012

Arch Dis Child Fetal Neonatal Ed

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205

173

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Section: Methodsmentioning

confidence: 99%

“…The only exception was for the post-term group (42–43 weeks), which had a relatively high misclassification rate,13 and hence has been excluded from this study. Gestational age was grouped as shown in table 1.…”

Section: Methodsmentioning

confidence: 99%

Early term and late preterm birth are associated with poorer school performance at age 5 years: a cohort study

Quigley

Poulsen

Boyle

et al. 2012

Arch Dis Child Fetal Neonatal Ed

Self Cite

205

173

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“…A history of stillbirth was considered as any pregnancy loss at ≥20 weeks’ gestation. Studies have shown high sensitivity (>0.90) and predictive validity for maternal recall of preterm delivery, small‐for‐gestational‐age birth, and pregnancy loss . Women were categorized as having no adverse pregnancy outcomes, a single PTB, a term small‐for‐gestational‐age birth, a stillbirth, or multiple (>1) adverse pregnancy outcomes.…”

Section: Methodsmentioning

confidence: 99%

“…Previous studies have shown that maternal recall of hypertensive disorders of pregnancy has low sensitivity (yet high specificity, >90%) for all hypertensive disorders . Studies have shown greater sensitivity and predictive validity for maternal recall of PTB, small‐for‐gestational age birth, and pregnancy loss . Therefore, relying on what is known about maternal self‐report, the primary exposures of interest in this analysis are PTB, small‐for‐gestational age birth, and stillbirth (pregnancy loss at ≥20 weeks).…”

Section: Methodsmentioning

confidence: 99%

History of Adverse Pregnancy Outcomes, Blood Pressure, and Subclinical Vascular Measures in Late Midlife: SWAN (Study of Women's Health Across the Nation)

Cortés

Catov

Brooks

et al. 2018

JAHA

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BackgroundAdverse pregnancy outcomes, such as preterm birth (PTB), have been associated with elevated risk of maternal cardiovascular disease, but their effect on late midlife blood pressure (BP) and subclinical vascular measures remains understudied.Methods and ResultsWe conducted a cross‐sectional analysis with 1220 multiethnic parous women enrolled in SWAN (Study of Women's Health Across the Nation) to evaluate the impact of self‐reported history of adverse pregnancy outcomes (PTB, small‐for‐gestational‐age, stillbirth), on maternal BP, mean arterial pressure, and subclinical vascular measures (carotid intima‐media thickness, plaque, and pulse wave velocity) in late midlife. We also examined whether these associations were modified by race/ethnicity. Associations were tested in linear and logistic regression models adjusting for sociodemographics, reproductive factors, cardiovascular risk factors, and medications. Women were on average aged 60 years and 255 women reported a history of an adverse pregnancy outcome. In fully adjusted models, history of PTB was associated with higher BP (systolic: β=6.40; SE, 1.62 [P<0.0001] and diastolic: β=3.18; SE, 0.98 [P=0.001]) and mean arterial pressure (β=4.55; SE 1.13 [P<0.0001]). PTB was associated with lower intima‐media thickness, but not after excluding women with prevalent hypertension. There were no significant associations with other subclinical vascular measures.ConclusionsFindings suggest that history of PTB is associated with higher BP and mean arterial pressure in late midlife. Adverse pregnancy outcomes were not significantly related to subclinical cardiovascular disease when excluding women with prevalent hypertension. Future studies across the menopause transition may be important to assess the impact of adverse pregnancy outcomes on midlife progression of BP.

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“…Gestational age was derived from the mother's report of the expected due date in weeks taken at the 9-month survey, which has been shown to have high agreement with routine hospital records except for >42 weeks gestation 16. The post-term group was excluded from the analysis due to potential misclassification and differences in causal pathways leading to post-term compared to preterm birth.…”

Section: Methodsmentioning

confidence: 99%

School performance at age 7 years in late preterm and early term birth: a cohort study

Chan

Quigley

2014

Arch Dis Child Fetal Neonatal Ed

114

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Objective To investigate the effect of gestational age, particularly late preterm birth (34-36 weeks gestation) and early term birth (37-38 weeks gestation) on school performance at age 7 years. Design Population-based prospective UK Millennium Cohort Study, consisting of linked educational data on 6031 children. Methods School performance was investigated using the statutory Key Stage 1 (KS1) teacher assessments performed in the third school year in England. The primary outcome was not achieving the expected level (≥level 2) of general performance in all three key subjects (reading, writing and mathematics). Other outcomes investigated subject-specific performance and high academic performance (level 3). Results 18% of full-term children performed below the expected KS1 general level, and risk of poor performance increased with prematurity: compared to children born at full-term, there was a statistically significant increased risk of poor performance in those born very preterm (<32 weeks gestation, adjusted RR 1.78, 95% CI 1.24 to 2.54), moderately preterm (32-33 weeks gestation, adjusted RR 1.71, 95% CI 1.15 to 2.54) and late preterm (34-36 weeks gestation, adjusted RR 1.36, 95% CI 1.09 to 1.68). Early term children performed statistically significantly worse in 4 out of 5 individual subject domains than full-term children, but not in the primary outcome (adjusted RR 1.07, 95% CI 0.94 to 1.23). Conclusions Late preterm, and to a lesser extent, early term birth negatively impact on academic outcomes at 7 years as measured by KS1 assessments.

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Accurate Reporting of Expected Delivery Date by Mothers 9 Months After Birth

Cited by 15 publications

References 0 publications

Early term and late preterm birth are associated with poorer school performance at age 5 years: a cohort study

Early term and late preterm birth are associated with poorer school performance at age 5 years: a cohort study

History of Adverse Pregnancy Outcomes, Blood Pressure, and Subclinical Vascular Measures in Late Midlife: SWAN (Study of Women's Health Across the Nation)

School performance at age 7 years in late preterm and early term birth: a cohort study

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