Have some questions

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Good evening everyone I have two questions I have had my period since last month on the 25 and I’m late and the <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> says I’m late four days. But I took a pregnancy test today it was negative. And for the past few days I have been feeling nauseous and vomiting and high sense of smell. I had unprotected sex on 5/31 and 6/19. Any chance I could be testing to early?