Saint Catherine of Sweden, Katarina av Vadstena, Catherine of Vadstena or Katarina Ulfsdotter (c. 1332 – 24 March 1381) has been called the patron saint of protection against abortion and miscarriage. Her father was Ulf Gudmarsson, Lord of Ulvåsa, and her mother was Saint Birgitta (known as Birgitta Birgersdotter of Finsta in her lifetime).