Children conceived with assisted reproductive technologies (ART) or after a long waiting time have a higher prevalence of congenital malformations, but few studies have examined the contribution of type of infertility.

中文翻译：

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不孕症类型和先天性畸形患病率

通过辅助生殖技术（ART）或经过长时间等待而受孕的儿童先天性畸形的患病率较高，但很少有研究探讨不孕类型的影响。