is combined OCP and you will get your period at 3 months interval.
For new user, spotting or mild to moderate bleeding, abdominal pain
, nausea, bloating
, headache etc are common side effects for few months till your body is adjusted with that pill. One time bleeding or spotting is not so important.
You can continue rest of the pills as per direction. If you find same type of inter menstrual bleeding
, you can consult with gynecologist for overall check up including pelvic examination to rule out any pelvic pathology.
Maintain genital hygiene. Good luck.