That is inaccurate. The terms fertilization and conception are used interchangeably in the scientific community. Fertilization and conception are recognized as the same thing. A human person is conceived at fertilization.
What is conception and when does it happen? (Medical News Today)
“A human person is conceived at fertilization.”
Then nature is an abortionist because scientists say half of fertilized eggs are passed out of the body without being implanted.
Nature overrides that by having the female born with an incredible number of eggs.