Which precaution do people who participate in high-risk behaviors for stis need to take?
a. get a medical checkup every 6 months
b. get a blood test every three months
c. get a medical check up every six years
d. get a blood test every three years

A. get a medical checkup every 6 months

Explanation:

A sexually transmitted infection is the infection which is caused by the pathogenic organism such as bacteria, virus or any other parasite. These pathogenic organisms can be passed from one person to other during sexual intercourse. These can also be transmitted by the use of used infection contaminated with the pathogen. A person who undergoes with sexual contact with multiple partners is also susceptible to the risk of STI.

A person who is at risk of sexually transmitted infection must get a medical checkup in every 6 months this will help in diagnosing and detection of infection so that safety precautions and treatment against symptoms can be taken.

i believe it is true.