The Pre-Persons

"The Pre-Persons" is a science fiction short story by American writer Philip K. Dick. It was first published in Fantasy and Science Fiction magazine, October 1974.
The story was an anti-abortion response to Roe v. Wade. Dick imagines a future where the United States Congress has decided that abortion is legal until the soul enters the body. The specific instant is defined by the administration, at present the moment a person has the ability to perform simple algebraic calculations.
The main protestera former Stanford mathematics majordemands to be taken to the abortion center, since he claims to have forgotten all his algebra.