CTRI/2018/04/012961已完成未知
International pregnancy cohort study to evaluate the effect of influenza virus infection on pregnancy and perinatal outcomes and estimate the vaccine-preventable incidence of influenza during pregnancy among women in low- and middle-income countries - PRIME
Abt Associates Inc through CDC Atlanta0 个研究点目标入组 5,000 人开始时间: 待定最近更新:
试验速览
- 阶段
- 未知
- 状态
- 已完成
- 发起方
- 入组人数
- 5,000
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
入选标准
- •Aged >=18 years;
- •Pregnant as confirmed by urine pregnancy test and/or abdominal ultrasound;
- •Have an estimated date of delivery (EDD) based on LMP or ultrasound
- •othat occurs at least 8 weeks after the anticipated start date of the influenza season for women enrolled prior to that date;
- •othat occurs at least 8 weeks after enrollment for women enrolled after the anticipated start date of the influenza season;
- •Meet one of the following criteria:
- •ohave had an ultrasound at <28 weeks gestation to establish her EDD at a facility where medical records are available for verification of ultrasound results;
- •ocurrently at <28 weeks gestation based on her reported EDD or LMP and willing to undergo a trans-abdominal ultrasound for pregnancy dating as part of the study;
- •Plan to remain in the study area for the duration of her pregnancy and for her delivery;
- •Be willing and able to be contacted twice weekly by telephone call, mobile phone text message, or home visit from enrollment through the end of pregnancy;
排除标准
- •Aged <18 years;
- •Plans for delivery outside the study area;
- •Unable to give consent;
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