Ideally you do not need to get a mammogram done under the age of 40 mainly because it is not as effective as a tool for young women.
On average if over the age of 50 you should get a mammogram done every 2 years.
Pap smear tests are for women.
Pap smear test should start at the age of about 21 occurring about once every three years.
These exams should begin at the age of about 18 and occur Once a month or every couple of months.
Prostate exams are usually done over the age of 40 and happen every year.