Possibility of Pregnancy with Depo Shot

My copper IUD fell out on May 19, I scheduled an appointment with planned parenthood to get the depo shot (earliest appointment available) May 26th. The <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> says i ovulated on May 21st. I have pregnancy symptoms similar to my past 2 pregnancies: dizziness, nausea, weight gain, increased appetite, bloating, etc. I have not gotten my period, and have had multiple negative tests.

Has anyone had a similar experience & been pregnant? Has anyone had false negative tests due to the depo shot? TIA

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