Hello.. My Last Period Was Sept. 9, 2016 Until Now

hello.. my last period was Sept. 9, 2016 until now I'm not having my period and I did 3 times pregnancy test and it came out positive.. I started to drink pineapple juice, eat papaya, drink 9-10 tablets of vitamin C 500mg, drink parsley tea to abort the baby.. from then on I'm having spotting until now it's pinkish in color. what maybe the cause of this? am I near to miscarriage? please help me..gave me advice for I dont want to continue this pregnancy.