Well this sucks

Beth • I`m Beth and I just turned 30. Have a Beautiful 5 year old Daughter. TTC #2 for almost 3 years.
I have not had my period in 2 months and I had so many symptoms but Bfn and today would be the day my period is due and I got it. Not really sure what to think at the moment. Why have I not had my period in 2 months all of a sudden I get it on my due date for Af ....