So AF ended Friday... I've been. having some cramping ever since and my lower back has been hurting…

So AF ended Friday... I've been. having some cramping ever since and my lower back has been hurting too like AF is still around... According to Ovia my fertil week starts today... ive also been feeling a little nauseous here and there too.. with that, im just praying its not the flu 😂😂 this all a good sign?? Could this finally be the right time???