bleeding stopped then started again

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hey guys really after some advice or shared experience!

so i found out i was pregnant and started bleeding 4 days later and assumed i was having a chemical pregnancy. never went to the hospital as the last time i had a miscarriage at the hospital they told me there was nothing they can do.

i bled for 4 days and 11 days later i took a pregnancy test and it was still positive so got hold of the doctors and they have requested a hcg test for me tomorrow. today i have started to spot and have period pain.

has anyone had this ? what did you do ? is this normal ?
not sure if i should be concerned !

thank you