In formal poetry, rhyme scheme rhyme scheme and meter define different types of quatrain. 1  There are many types of quatrain, but the most common types include: 2  Ballad Stanza â Its rhyme scheme is abab with iambic tetrameter. 3  Envelope Stanza â Its rhyme scheme is abba with iambic tetrameter. 4  Goethe Stanza â Its rhyme scheme is abab but no meter.
The six most common types of vaginitis are: 1  Candida or yeast infections. 2  Bacterial vaginosis. 3  Trichomoniasis vaginitis.  Chlamydia 1  vaginitis. Viral vaginitis.  Non-infectious vaginitis.
Bacterial Vaginosis-Womenâs Health Guide. Bacterial vaginosis, or BV, is a common vaginal infection in women. It is the most common vaginal infection in women of childbearing age, including pregnant women. While it is not a sexually transmitted disease (STD), some sexual behaviors increase the chances for BV. Women who have never had sex can also have BV.