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.
STDs include just about every kind of infection. Bacterial STDs include chlamydia, gonorrhea, and syphilis. Viral STDs include HIV, genital herpes, genital warts (HPV), and hepatitis B. Trichomoniasis is caused by a parasite. The germs that cause STDs hide in semen, blood, vaginal secretions, and sometimes saliva.