Final answer:
Pelvic inflammatory disease (PID) is an infection of the female reproductive organs that can cause symptoms such as lower abdominal pain, vaginal discharge, and fever. Untreated PID can lead to infertility and increase the risk of ectopic pregnancy.
Step-by-step explanation:
Pelvic inflammatory disease (PID) is an infection of the female reproductive organs including the uterus, cervix, fallopian tubes, and ovaries. Common symptoms of PID include pain in the lower abdomen, vaginal discharge, fever, chills, nausea, diarrhea, vomiting, and painful urination. The most serious form of PID is inflammation of the fallopian tubes, known as salpingitis, which can lead to infertility and increase the risk of ectopic pregnancy.