Good Morning Dr. I M 33 Years Old And I

Good morning Dr. I m 33 years old and i have one child at the age of 26 and i had second pregnancy at age of 29 but we didn't want the second child at that time so we aborted. Now problem is there now we want second child and we tried for it from last 2 years but there is no result plz help me.and say what do i do?