Pregnancy Spotting

My friend is pregnant and is just about to come up to her 2nd week of pregnancy but today shes experiencing spotting of blood, is this normal? should she be worried?

I started spotting today and it only lasted about 5 minutes. Does this mean I am pregnant??
Should I take a pregnancy test? I am due to have my period between the 17th and the 22nd. My boyfriend and I started having test on November 1 unprotected, would I find out if I am pregnant yet or is it too early?

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I took a pregnancy test today because i was spotting on the 8th and 9th of march. It was a BFN!!!! I feel like I’ll never conceive my 1st child. Is it too early? I have a 31 day cycle and my period is due 19th of this month I think I ovulated around the 2nd-5th should I test again and when?