This paper introduces the phenomena of delayed implantation and delayed development in Chiroptera, and discusses the reason, significance and mechanism of these reproductive strategies. Directions for future research are suggested.

• 介绍了胚胎延迟植入和延迟发育现象在翼手目动物中的分布、产生的原因和意义及延迟植入和延迟发育的机制 ,并对将来的研究方向进行了展望