Table 1.

Criteria for defining protein released or taken up by the placenta on maternal side

Definition of class	Type of statistical test per protein	Criteria per test
Placental release	Two-sided paired t-test for H0: log2(RFUUV) −  log 2(RFURA) = 0	• FDR-adjusted p-value < 0.05 • t statistic > 0
Placental uptake		• FDR-adjusted p-value < 0.05 • t statistic < 0

UV uterine vein, RA radial artery