Unlike monounsaturated and polyunsaturated fats, there are some kinds of oils that may not be very PCOS-friendly like Found in meat, butter, cheese, and various oils. High Saturated fats can contribute to inflammation and should be avoided. In order to create a healthy diet that is PCOS friendly, it is important to incorporate good fats that come from nuts and seeds, fish oil, avocado oil, olive oil, coconut oil etc.