Could I be pregnant ( Read description and see chart)

Okay so I'm on cycle day 46. 16dpo. Negative pregnancy test. Ovulated around the 17th/18th of June. Tender breasts, extreme nausea, slight cramping every few days. No sign of aunt Flo yet. Was due for her on the 3rd of july. I have hit, I repeat, I have hit the "my period is late" button on the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> 3 times already! Please comments and reassurance would be nice .......

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