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Mol Cell Endocrinol. 2012 Feb 5;349(1):56-61. doi: 10.1016/j.mce.2011.08.013. Epub 2011 Aug 22.

Circadian rhythms and fertility.

Author information

1
Robinson Institute, Research Centre for Reproductive Health, University of Adelaide, Adelaide, SA 5005, Australia. david.kennaway@adelaide.edu.au

Abstract

Circadian rhythms impact on a wide range of physiological systems and this impact extends to fertility, such that disruptions to timing systems can impact upon reproductive capacity. This is highlighted most obviously in mutant mouse models whereby deletion or mutation of single genes results not only in disrupted circadian rhythmicity, but also compromised male and female reproductive function. In this review, we discuss the presence of circadian clocks in female and male reproductive tissues and the role these clocks play in the generation of oestrus cycles, ovulation, sperm generation, implantation and the maintenance of pregnancy. Given the increased incidence of shiftwork and international travel which disrupt circadian rhythmicity, and the increasing prevalence of reproductive technologies whereby early embryo development occurs without external time cues, it is important for us to consider the role of circadian rhythms in fertility.

PMID:
21872642
DOI:
10.1016/j.mce.2011.08.013
[Indexed for MEDLINE]

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