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Table 1 Current and target sample in each conception group

From: Do intrauterine or genetic influences explain the foetal origins of chronic disease? A novel experimental method for disentangling effects

 

Current sample size

Target sample size

Homologous IVF

378

300

Sperm donation

170

200

Embryo donation

31

50

Egg donation

146

200

Gestational Surrogacy

16

30

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BMC Medical Research Methodology

ISSN: 1471-2288

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