A prospective study of preconception asthma and spontaneous abortion.
A prospective study of preconception asthma and spontaneous abortion.
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DOI:
10.1016/j.annepidem.2022.02.006
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发表时间:
2022-05
影响因子:
5.6
通讯作者:
中科院分区:
文献类型:
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To evaluate the relationships among history of asthma, asthma severity, and spontaneous abortion (SAB). Pregnancy Study Online (PRESTO) is a preconception cohort study of North American couples. During the preconception period, female participants reported their history of physician-diagnosed asthma, age at first diagnosis, and use of asthma medications in the previous 4 weeks. Asthma severity was classified by medication use proximal to conception, from level 0 to 3 in increasing severity. Pregnancy and SAB were identified using data from follow-up questionnaires. We estimated hazard ratios (HRs) and 95% confidence intervals (CIs). Among 6,325 participants who conceived, 19% experienced SAB and 17% reported a history of asthma. There was no appreciable association between asthma history and SAB incidence (HR=0.98; 95% CI: 0.84, 1.14). HRs comparing severity levels 0, 1, and 2–3 with no asthma were 0.82 (95% CI: 0.67, 1.01), 1.20 (95% CI: 0.91, 1.60), and 1.31 (95% CI: 0.97, 1.78), respectively. Among women who conceived without the use of fertility treatment, level 2–3 severity was associated with SAB (HR=1.39; 95% CI: 1.02, 1.89). While history of asthma diagnosis was not materially associated with SAB, having severe asthma (based on medication use) was associated with greater SAB risk.
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影响因子:
4.3
作者:
Buss, L;Tolstrup, J;Kjaer, SK
通讯作者:
Kjaer, SK
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影响因子:
7.2
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Dombrowski, Mitchell P;Schatz, Michael
通讯作者:
Schatz, Michael
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Platt RW