we cannot confirm merely by few symptoms about ectopic pregnancy.Most common symptoms of ectopic pregnancy are
Abdominal or pelvic pain
A missed period, Signs of early pregnancy, Vaginal bleeding not caused by menstruation
or fainting, Low blood pressure when bleeding is severe.
It can be confirmed by physical examination of fallopian tube
palpation by skilled gyanecologist ..Better can be confirmed by Some Ultrasonographic examination only...So contact gyaneocologist for confirmation