Need advice please !!!!!

Lura
Hi everyone, i need advice.. My husband and i try to have our third baby but nothing happened.. Our youngest is 4 y and the oldest is 6 y... And we feels its time to have the third one now better than get older..
We are trying for 8 months but nothing happened.. I went to the doctor and she said give yourself more time of trying..?? Is there anyone had the same problem?? Is there any med. i can take or what should we do??