According to Judith Jarvis Thompson, which of the following is or are true?

According to Judith Jarvis Thompson, which of the following is or are true?
 
  a) Women have a moral right to an abortion under all circumstances.
  b) If there is a conflict between a fetus's right to life and a mother's right to life, the fetus's right outweighs the mother's.
  c) If the reason for an abortion is trivial, the abortion is not legitimate
  d) If there is a conflict between a fetus's right to life and a mother's right to life, the fetus's right only outweighs that of the mother after a certain period in the womb.