Genuine Science-y Question

N • Beautiful Nikolai born 12/29/17 👶💙 Lucca born 1/13/21🌻 In love and feeling myself 👨‍👩‍👦‍👦

If you ovulate say... three days before your expected period and the egg gets fertilized, will your body recognize it as a pregnancy even though it hasn't implanted yet and halt your period?

*Edit* Awesome, thank you all! I really appreciate all the replies 😄