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. 1986 Apr;36(2):161-3.

The effect of recipient age on the success of embryo transfer in mice

J L Wiebold, G B Anderson
  • PMID: 3702334

The effect of recipient age on the success of embryo transfer in mice

J L Wiebold et al. Lab Anim Sci. 1986 Apr.

Abstract

Eight-hundred-sixteen morulae and blastocysts were transferred to the uteri of 102 recipients of various ages on Day 3 or 4 of pseudopregnancy (Day 1 is the day of the vaginal plug). Day 3 recipients had significantly higher pregnancy rates and embryo survival rates than Day 4 recipients. Recipient age had little effect on pregnancy rates, but had a significant effect on embryo survival in Day 3 recipients. Day 3 recipients of 11-13 weeks of age had the highest pregnancy rate (100%) and embryo survival (75%). The results suggest that recipient age should be considered an important factor in embryo transfer experiments.

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