Metformin after a Clomid baby?

Kellie
Hi Ladies, I was just wondering if anyone has had success on Metformin after a Clomid baby? We are trying for number 3 after our daughter was conceived on my first round of Clomid 50mg (after trying for years naturally) she is now 4yo and we have been trying naturally for 2+ years with no luck so I have now been put on Metformin (am on first cycle) as my partner was worried the Clomid might cause multiples this time round we are trying the Metformin.. I have pcos, My question is has anyone had success with Metformin after a Clomid baby? How long did it take you on Metformin and at what dose?