It turns out that they have the purchase history for hundreds of thousands of customers and they compute what they  call a pregnancy score, which is not just whether or  not a woman's pregnant, but what her due date is.
Ispostavilo se da imaju prošlost kupovine za stotine tisuća kupaca te izračunavaju ono što oni nazivaju domet trudnoće, koji govori ne samo je li žena trudna, već i koji joj je termin porođaja.