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Study of DDT and loss of clinically-recognized pregnancies in South Africa

Study of DDT and loss of clinically-recognized pregnancies in South Africa
南非 DDT 与临床认可妊娠流产的研究
批准号:
8149124
负责人:
Matthew Longnecker
金额:
$2.97万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
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中文摘要
翻译
这项与滴滴涕接触有关的早期妊娠损失(流产和死胎)的前瞻性研究的实地工作已经开始。
英文摘要
The field work has begun for this prospective study of early pregnancy loss (miscarriage and stillbirth) in relation to DDT exposure. A field team was hired and trained in early 2010, and enrollment began June 1. Subjects are being enrolled from 6 villages in Limpopo Province, South Africa, and DDT is currently in use for malaria control in 3 of them. As of August 31, 209 subjects have been evaluated for eligibility, and 181 were enrolled. About half of the enrolled subjects are from the villages sprayed with DDT. Of the 181, 8 were withdrawn, primarily because they had misrepresented their village of residence. Of the 172 subjects being followed, 3 have become pregnant. Thus, the field work is functioning well. Whether the present study design will yield adequate numbers of women who become pregnant while enrolled remains to be seen, as does whether the subjects enrolled have a suitably wide distribution of exposure to DDT.
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