出生队列研究的长期随访围绕研究人群的环境、遗传、生活行为习惯等因素和生殖健康相关结局开展孕前、孕期、产后和子代生长发育不同阶段的长期、连续、动态的追踪随访，是出生队列研究工作的重要内容，也是出生队列研究取得成功的关键。本文件就出生队列长期随访、拒访和失访处理、研究对象依从性维护以及质量控制等主要工作制定规范。“,”The long-term follow-up is an important content of birth cohort, which focus on the dynamic cohort data collection at different stages including the pre-pregnancy, pregnancy, postpartum and fetal growth period. This document establishes specifications for the follow-up, the management of refusal to follow up and loss to follow-up, compliance maintenance and quality control in the long-term follow-up of birth cohort research.