A certain type of bacteria causes chlamydia. It’s the most commonly reported STD among Americans,
Many people with chlamydia have no noticeable symptoms. When symptoms do develop, they often include:
- pain or discomfort during sex or urination
- green or yellow discharge from the penis or vagina
- pain in the lower abdomen
If left untreated, chlamydia can lead to:
- infections of the urethra, prostate gland, or testicles
- pelvic inflammatory disease
- infertility
If a pregnant woman has untreated chlamydia, she can pass it to her baby during birth. The baby may develop:
- pneumonia
- eye infections
- blindness