What does mothers TPAL score of 0-0-1-0 mean?

A TPAL score of 0-0-1-0 indicates that the mother has had no term pregnancies (0), no preterm pregnancies (0), one pregnancy that resulted in a loss (1), and no living children (0). This typically means she has experienced one pregnancy that ended in miscarriage or stillbirth, but has not delivered any children that are currently living.