Following the first 1000 days of life that span from conception to two years of age, the next 1000 days of a child's life from 2–5 years of age offer a window of opportunity to promote nurturing and caring environments, establish healthy behaviours, and build on early gains to sustain or improve trajectories of healthy development. This Series paper, the first of a two-paper Series on early childhood development and the next 1000 days, focuses on the transition to the next 1000 days of the life course, describes why this developmental period matters, identifies the environments of care, risks, and protective factors that shape children's development, estimates the number of children who receive adequate nurturing care, and examines whether current interventions are meeting children's needs. Paper 2 focuses on the cost of inaction and the implications of not investing in the next 1000 days. In low-income and middle-income countries (LMICs), only 62 million children aged 3 and 4 years (25·4%) currently receive adequate nurturing care during the next 1000 days, leaving 181·9 million children exposed to risks that jeopardise their healthy development. Inputs across nurturing care dimensions of health, nutrition, protection, responsive care, and learning vary substantially across countries. In LMICs, although 86·2% of children have a healthy weight in this period, less than one in three children have access to developmental stimulation or are protected from physical punishment, and only 38·8% have access to early childhood care and education services. Intervention research in LMICs in the next 1000 days is scarce. The continuity of developmentally appropriate nurturing care, coordination across health, education, and protection sectors, and the implementation of interventions to support caregivers and improve the quality of education and care remain top priorities in this period. These sectors play key roles in promoting quality early care and education for this age group, which will help maximise developmental potential and opportunities of children globally and help progress towards the achievement of the Sustainable Development Goals.

中文翻译：

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下一个 1000 天：加强对幼儿健康和发展的早期投资


在从受孕到两岁的前 1000 天之后，儿童 2-5 岁生命中接下来的 1000 天提供了一个机会之窗，可以促进养育和关爱环境，建立健康的行为，并在早期收益的基础上维持或改善健康发展的轨迹。本系列论文是关于儿童早期发展和未来 1000 天的两篇系列论文中的第一篇，侧重于向生命历程未来 1000 天的过渡，描述了为什么这个发育期很重要，确定了影响儿童发展的照料环境、风险和保护因素，估计了接受充分养育照料的儿童人数， 并检查当前的干预措施是否满足儿童的需求。论文 2 侧重于不作为的成本以及在未来 1000 天内不投资的影响。在低收入和中等收入国家 （LMIC），目前只有 6200 万 3 岁和 4 岁的儿童 （25·4%） 在未来 1000 天内得到充分的养育照顾，使 1.819 亿儿童面临危及其健康发展的风险。健康、营养、保护、响应式护理和学习等养育护理方面的投入因国家而异。在中低收入国家，尽管 86·2% 的儿童在此期间体重健康，但只有不到三分之一的儿童能够获得发育刺激或免受体罚，只有 38·8% 的儿童能够获得幼儿保育和教育服务。未来 1000 天内对 LMIC 的干预研究很少。 在这一时期，持续提供适合发展的养育护理，卫生、教育和保护部门之间的协调，以及实施干预措施以支持护理人员并提高教育和护理质量，仍然是重中之重。这些部门在促进该年龄段的优质早期护理和教育方面发挥着关键作用，这将有助于最大限度地发挥全球儿童的发展潜力和机会，并有助于实现可持续发展目标。