Good morning!

My husband and i have been trying for a baby for a while now and i am an obsessive symptom spotter, i manage to convince myself most months that i am pregnant but obviously no suck luck.
However this month has been different, my usual sensitive and achey boobs that show up in the two weeks before my period havent appeared. My period is due on the 23rd of this month and my hubby abd i have been having sex every secobd day this past month to up chances so i my estimated ovulation dates were from the 7th to the 11th and my cervical mucus would back this up. We had sex on the 5th, 7th, 9th, 11th and 13th to date and i have been experiencing different symptoms from usual including more frequent urination, lower backache, a constant headache, dizziness and the most unusual of all an elevated heart rate, anywhere from 90-110 whilst watching tv, before bed, etc.
My husband has made me an appointment for the doctor for this afternoon as he was worried with the increased heart rate but after researching it on the internet, it seems quite common.
Whats your thoughts?
Thank you