Ttc

Patient: I am ttc for our 2nd child after 9 year its been 1 and half years ttc but there no luck. i will be turning 30 years old in afew months. ive had blood test done 7 months ago but they were normal. i am not on any medication and i never were. so wanted to know what can be wrong with me and what can i do next do ? thank you

Doctor: