Could I be?

Bianca • 25 | Wife | Philosopher • Mother • Lover • Discover 🌏🔭 Dave+Love+Children = Perfection 💋 ......................expecting................... ......................May 2018 .................. 🎉🎉🎉
3 days late, my period was due on the 28th April, I think I experienced implantation bleeding on 27/28 of April was the tiniest bit
Boobs feel much more tender and firmer, I have also had the flu or cold for a week now.
Not to sure when I should take a test, should I wait a week before testing??