New York psychotherapist and single mother, Mattes founded Single Mothers by Choice in 1981 after she accidentally became pregnant at age 36.

• 麦茨是纽约的一位心理咨询师，同时也是一个单身妈妈。36岁那年她意外怀孕了，之后她于1981年成立了“做单身妈妈”俱乐部。