When should I test? I feel so eager!

Cindy

My husband and I are trying for our 3rd baby. My last period was September 11th we had sex 3 days after my period and I ovulated September 19th through the 25th. My cycles are 28 days. I am now 4 almost 5 dpo. My period is due October 8th. When is the soonest I should test?