The aerage age for a birth defect - related hospital stay was 17 . 6 years compared to 49 . 9 years for all other hospital stays 因出生缺陷而住院治疗的患者平均年龄为17 . 6岁，比较而言，所有其他原因住院的患者平均年龄为49 . 9岁。
Experts said hereditary diseases , viral infections , environmental pollution , un styles and poor were among the main known causes 专家介绍，遗传病细菌感染环境污染不健康的生活方式和营养不良是导致出生缺陷的几大主要诱因。
They said their study published in the american journal of epidemiology is the first definitively to link air pollution with birth defects 他们说，这项刊登在美国流行病学杂志上的研究首次明确地提出空气污染与出生缺陷有关。
In both studies , researchers interiewed mothers of more than 9 , 500 infants with birth defects , including cleft palate and heart ale problems 在这两项研究中，研究人员调查了9500名出生缺陷婴儿的母亲，其中包括唇裂和心瓣膜问题。
They said their study , published in the american journal of epidemiology , is the first definitively to link air pollution with birth defects 他们说，这项刊登在《美国流行病学杂志》上的研究首次明确地提出空气污染与出生缺陷有关。
Neural tube defects , excessive numbers of fingers or toes , and water on the brain are the top five birth defects among chinese babies , the report said 报告中提到，唇腭裂神经管缺损多趾症先天性心脏病和脑积水是困扰我国新生儿的五大出生缺陷。
Experts said hereditary diseases , viral infections , environmental pollution , unhealthy lifestyles and poor nutrition were among the main known causes 专家介绍，遗传病细菌感染环境污染不健康的生活方式和营养不良是导致出生缺陷的几大主要诱因。
Experts said hereditary diseases , viral infections , environmental pollution , unhealthy lifestyles and poor nutrition were among the main known causes 专家介绍，遗传病、细菌感染、环境污染、不健康的生活方式和营养不良是导致出生缺陷的几大主要诱因。
A rising incidence of birth defects in some parts of china is being attributed to environmental pollution , unhealthy lifestyles and poor nutrition 我国一些地区的新生儿出生缺陷率不断上升，这主要是由环境污染不健康的生活方式及营养不良等因素造成的。
A rising incidence of birth defects in some parts of china is being attributed to environmental pollution , unhealthy lifestyles and poor nutrition 我国一些地区的新生儿出生缺陷率不断上升，这主要是由环境污染、不健康的生活方式及营养不良等因素造成的。
