Mycoplasma genitalium (often called M. genitalium or Mgen) is a tiny bacterium that can infect the genital and urinary tracts of both men and women.

It spreads through sexual contact, including vaginal and anal sex. It’s less commonly passed through oral sex.

Anyone who is sexually active can get it, regardless of gender, age, or sexual orientation.

Yes. If left unchecked, it can lead to inflammation of the reproductive organs, which may cause infertility or ongoing pelvic pain.

Women may experience pelvic pain, vaginal discharge, discomfort during urination, or bleeding between periods. However, many have no symptoms at all. Men may notice burning during urination, discharge from the penis, or irritation inside the urethra. Some men have no symptoms.

Yes. Most people don’t experience symptoms, which means it can be carried and passed to others without realizing it.

Yes. In women, it can cause inflammation in the uterus or fallopian tubes. In men, it can lead to swelling in the reproductive tract that affects sperm health.

No. It doesn’t spread through hugging, kissing, or sharing food or drinks. It only spreads through sexual contact.

Yes. Even after the infection is cleared, a person can get it again if they have unprotected sex with an infected partner.

It’s a growing concern in sexual health because it often goes unnoticed but can cause serious complications over time if ignored.