Answer:
In sexually transmitted diseases (STDs), the doctor would examine the genital area, blood, and/or urine.
Step-by-step explanation:
If a person is sexually active with one or more than one partner, there are chances to have Sexually Transmitted Diseases (STD) with or without symptoms. For that, it's better to go for STD test.
For STD diagnosis, doctor would initially examine by physical/visual analysis and then could take a sample for further confirmation throgh laboratory analysis. For this, sample could be of blood, urine, genital swab, a swab from inside of the mouth, and/or a swab from an affected area.