Table 2: Phytoestrogen concentration over the course of pregnancy.

Phytoestrogen concentrations in human pregnancy

NMeanStandard errorStandard deviation

Amniotic fluid daidzein3000.600.081.41
Amniotic fluid genistein3000.770.101.78
Serum during pregnancy daidzein2152.880.8812.96
Serum during pregnancy genistein2155.181.8427.02
Serum at birth daidzein971.210.555.45
Serum at birth genistein1001.480.848.40
Cord serum daidzein752.300.817.02
Cord serum genistein852.681.079.87
Breast milk daidzein900.250.111.03
Breast milk genistein840.610.242.20