Is Siphene Right Medication For Irregular Periods?

dear doctor am 24 year old girl.i have irregular menstrual problem.last month it took nearly 55-60 days for a cycle.and if it comes bleeding is very less.some stains sort of things........now i am using siphene for this.my docter aadvised me to take siphene for 5days and after that one teblet for next 10 days.she s saying that this time you will have a chance to conceve.......what is my problem docter???is this treatment works in my case......?please help me.......