• We are sorry, but NCBI web applications do not support your browser and may not function properly. More information

Table 44Selection of embryos for transfer

StudyInterventionNEfficacy
Clinical Pregnancy Ongoing Pregnancy/Live Birth
Rel EffLower 95% CIUpper 95% CIRel EffLower 95% CIUpper 95% CI
Embryo scoring
Chen and Kattera, 2006324Reference Day 3 morphology + day 1 morphology 165
Above + day 1 cleavage 165 0.87 0.61 1.25 - - -
Emiliani et al., 2005325Reference Score only 90
Score + cleavage 94 1.13 0.70 1.82 - - -
Single embryo transfer
Preimplantation genetic diagnosis (PGD)
Staessen et al., 2004326Reference Control 190
PGD 199 0.71 0.46 1.10 0.72 0.43 1.21
≥ 37 yearsMultiples 1.43 (0.41, 4.96); number of embryos transferred significantly lower with PGD)
Mastenbroek, et al., 2007327Reference Control 206
PGD 202 0.680.520.880.680.500.92
35–41 yearsAll undergoing double embryo transfer

From: 3, Results

Cover of Effectiveness of Assisted Reproductive Technology
Effectiveness of Assisted Reproductive Technology.
Evidence Reports/Technology Assessments, No. 167.
Myers ER, McCrory DC, Mills AA, et al.

PubMed Health. A service of the National Library of Medicine, National Institutes of Health.