My wife delivery (scissirion)has passed away 5 months .she had taken harmone pills to regulate the peroid as it continues for more than 1.5 months .but after the completing the course she still has irregular peroids.please suggest me what to do & possible reasons of this problem.

My wife delivery (scissirion)has passed away 5 months .she had taken harmone pills to regulate the peroid as it continues for more than 1.5 months .but after the completing the course she still has irregular peroids.please suggest me what to do & possible reasons of this problem.