Table 2

Performance comparison between combined and separate electrical (ECG) and audio (PCG) foetus sensing for pregnancy detection
Recording Sensitivity Specificity
ECG only (no rejections) 85.2% 70.1%
PCG only ≥ 20 weeks 87.7% 73.2%
ECG and PCG combined (19% rejected) 87.6% 74.6%

Gargiulo et al.

Gargiulo et al. BMC Veterinary Research 2012 8:164   doi:10.1186/1746-6148-8-164

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