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 Skin Infections. Bacterial skin infections are usually caused by gram-positive strains of Staphylococcus and Streptococcus or other organisms. Common bacterial skin infections include: 1  Cellulitis causes a painful, red infection that is usually warm to the touch.ometimes, these infections aren't associated with any symptoms but can still cause serious damage to the reproductive system. Common STDs caused by bacterial infections include: 1  Chlamydia is an infection in men and women caused by an organism called Chlamydia trachomatis.