Does fertility treatment increase chance of breast cancer.

[jennifer12]

I was treated with Clomid for over 3 years 40 years ago and recently I began to wonder if it put me at increased risk (diagnosed 9 years ago) of breast cancer. Researching it seems that risk increases and the drug shouldn't be used for more than 6 months. Can anyone tell me if there has been any research on the topic and if so where can I access it. Many thanks jenwren