Final answer:
PID is a potential complication of chlamydia infection in women, which can increase the risk of ectopic pregnancy and infertility.
Step-by-step explanation:
Pelvic inflammatory disease (PID) is a potential complication of chlamydia infection in women. PID refers to an infection of the female reproductive organs, including the uterus, fallopian tubes, and ovaries. It can lead to serious health consequences and increase the risk of ectopic pregnancy and infertility.