Could Abdomen Cramps, Leg Pain With Heaviness Be Due To Novelon?

i am a 24 yr old girl and have been diagnosed with cyst in the right ovary...Doctor has put me on novelon for 6months...its been only one week since i have started taking novelon..i have suddenly started having cramps in my abdomen..also i feel pain in my right leg..my right leg feels heavier than the left one....please tell me is this related to novelon...should i continue using it??