My mom was 35 when I was born, and that was over 30 years ago. I think my grandmother was 39 when my dad was born, and that was over 70 years ago. There's still

My mom was 35 when I was born, and that was over 30 years ago. I think my grandmother was 39 when my dad was born, and that was over 70 years ago. There's still a possibility for conception unless you didn't explain in your post.