Thank you for your query.
If your pregnancy
test is positive, then you obviously know that you are pregnant.
You cannot take or drink any medicines to have a period if you are pregnant.
You need to consult a gynecologist.
You have to confirm the pregnancy, and this is more important because with a positive pregnancy test and spotting, you have risk of miscarriage
or ectopic pregnancy.
the pills for abortion
will be prescribed by your doctor.
Do not attempt any thing on your own, as there are risks like severe bleeding, infection, ruptured ectopic pregnancy, retained products etc.