What Causes Delayed Period While On Krimson?

hi my name is mini,im 25 yrs old i have irregular periods since long time i stated my treatment recently,they are few folicles which is stoping my periods for which my doctor advised to take krimson 35.this is my second month of the course.its almost 96 hrs that i finished my this months 24 days course.but i still get my periods.