Abstract
Purpose
To evaluate the long-term effects of superovulation on fertility and sexual behavior of male offspring in mice.
Method
The mice were superovaluted, and the fertility of male offspring (F1 generation and F2 generation) were evaluated in terms of the percentage of plugs and pregnancies, serum testosterone concentrations, and sperm motility. Furthermore, the sexual behavior of male offspring and sex ratio (F1 generation and F2 generation) were measured.
Results
There were no significant differences in the percentage of plug and pregnancies, serum testosterone concentrations, sperm motilities and sex ratio between the offspring in naturally conceived group and superovulation groups (both F1 generation and F2 generation). The sperm hyperactivity at 90 min after incubation of F1 generation in naturally conceived group were higher than that of F1 generation in superovulation group, but the differences did not reach statistical significance. The offspring produced by superovaluted oocytes (both F1 generation and F2 generation) did not exhibit significant alterations in sexual behavior.
Conclusions
No significant alterations were found in fertility and sexual behavior of male offspring in mice produced by superovaluted oocytes compared with those of naturally conceived offspring.
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Acknowledgement
We thank Dr. Mei Wang for the valuable comments on the manuscript.
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The authors declare that there are no conflicts of interest.
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Capsule The effect of superovulation on fertility and sexual behavior of male offspring.
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Wei, ZT., Lu, XL., Zhang, G. et al. The long-term effects of superovulation on fertility and sexual behavior of male offspring in mice. J Assist Reprod Genet 31, 555–560 (2014). https://doi.org/10.1007/s10815-014-0191-6
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DOI: https://doi.org/10.1007/s10815-014-0191-6