could this month be it

been TTC for baby #2 for 1.5years hope this is my month.... my AF is due in 7 days as of today should I wait for AF or can I test now or should I wait a little longer.... so confused and nervous... hoping this is my month😔 hoping for the BFP always getting a negative and every month it's a disappointment 😢please pray for me to get a BFP thank you ladies.