first month ttc help ..

Sh

I came of my last period on the 30th of October and won't be due again until the 27th/28th. We started trying to conceive on the 31st and have had sex nearly everyday. Now Glow has said that I should be ovulating over the past week and I have been taking the ovulation tests and they have came back negative so glow keep moving the day forward one. I have been having horrible lower back pain and really bad cramps today and the bottom of my boobs hurt so bad could this be a sign of ovulation coming or could I have ovulated earlier than glow has said and already conceived ? I don't want to take a test as feel it's still early. Thanks guys and baby dust to you all 💙