Thanks for the query.
Yes, better to take contraceptive
pills along with metformin
Metformin helps as insulin
Whereas contraceptive pills will help in regularization of the hormonal
levels, there by they will help in regularization of the cycles, deceasing dysmenorrhea etc.
You have to take these pills at-least for three months to get desired effect.
For more details you can ask me through: http://www.healthcaremagic.com/doctors/dr-sree-gouri-sr/63429