Help! Any advice?

Joycee

Hey ladies

I have a question my last AF was July 9th. According to glow AF was suppose to arrive the 10th. Still no aunt flow. Bf is in the military and we never have sex during fertile week,(He's always out on sea ) this time around we had sex 5 days after fertile week now my period is not here and my test are still negative... any suggestions on what's going on.

Thank you in advance