Music. 1  Major third (M3), a type of musical interval. 2  Major thirds tuning (M3 tuning), a regular tuning with major-third intervals between successive strings. 3  Minor third (m3), a type of musical interval. 4  M3 (album), a 1999 album by Mushroomhead. 5  M3 (band), an American rock band.
Gonorrhea bacteria can grow in the warm, moist areas of the reproductive tract, including the cervix (opening to the womb), uterus (womb), and fallopian tubes (egg canals) in women, and in the urethra (the tube that carries urine from the bladder to outside the body) in women and men.
1 The STDs gonorrhea and Chlamydia are other bacterial causes of vaginitis. 2  Yeast infections, such as Candida infection, are a common cause of vaginitis. Yeast infections are not considered to be STDs.  Trichomonas (Trich) is a parasitic infection that is transmitted through sexual contact.