Help 😪 ovulating or pregnant

1. Boyfriend and I had sex on the 9th( my fertile window from another app)

2. 9-10 days later, Feeling bloated in lower abdomen and a pulling/dull feeling on my right lower abdomen

3. Tested on the 15th, results were negative

4. Just stopped my depo on March 3

5. Periods are irregular and were irregular before birth control

6. Having MAJOR fatigue and back aches mostly

7. Noticed in swelling feet

8. Whenever period come on, usually comes on the 21st nomatter how irregular I am

9. On another app, my fertile window was from the 13th-18th

Hopefully this little information can help, are you suggesting I am ovulating or should take a pregnancy test ???