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Table 1 Twin pregnancy rates and outcomes in rhesus monkeys following the transfer of intact or demi-embryos.

From: Assisted reproductive technologies in rhesus macaques

 

Pregnancy rate per transfer (%)

Twinning rate per transfer (%)

Live birth rate per twin pregnancy (%)

Intract-embryos

14/57 (25)

14/70 (20)

18/28 (64)

Demi-embryos

12/55 (27)

1/12 (8)

0/2 (0)

  1. The pregnancy rate was determined from transfers involving only two embryos. The twinning rate was based on all pregnancies (2 or more embryos/transfer) in the intact embryo group, hence the number of pregnancies is larger.
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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