And they compute that not by looking at the obvious things, like, she's buying a crib or baby clothes, but things like, she bought more vitamins than she normally had, or she bought a handbag that's big enough to hold diapers.
De beregner dette ikke ved at kigge på de åbenlyse ting, som, hun køber en vugge eller baby tøj, men ting som, hun købte flere vitaminer end hun normalt gjorde, eller hun købte en håndtaske der er stor nok til at indeholde bleer.