Late period pcos possible pregnancy?

So My period has been consistent these past couple of months due to working out weight loss etc  last He got a little out of hand lol 
recently I've been feeling nauseous in the evening only once have I been nauseous in the morning  tender nipples endless  Migranes!! random cramping tired moody sleepy Even my appetite is different. 
I took a pregnancy test a few days ago negative 
My symptoms keep getting worse 
Bought a more expensive one and I swear I see a very faint line but my friend says I'm paranoid 
I must be crazy 
I'm 7 days late is it too early to test 
Or should I wait till the morning to retest or should I wait another week? 
 
I'm freaking out here 🙈

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