A positive test after a negative one just two days earlier usually means the pregnancy hormone has risen quickly, and this result is reliable. Discontinuing this pregnancy is a decision to make with a gynaecologist in person, not on your own.
Next Steps
A blood beta-hCG test and a pelvic ultrasound will confirm how many weeks along you are, since that decides which options are safe and legal. Please see a gynaecologist this week to go through them.
Health Tips
Termination should only happen under medical supervision. Taking any medicine on your own can cause heavy bleeding or an incomplete procedure.