During that pregnancy, the mother's antibodies cross the placenta to fight the Rh positive cells in the baby's body. As the antibodies destroy the red blood cells, the baby can become sick. This is called erythroblastosis fetalis during pregnancy.
Sometimes, however, as in a lyric poem, the effect intended may be the rendering or creation of a mood, such as that of happy content, and in that case the poem may not have an easily expressible concrete theme. Lyric poems are expressions of spontaneous emotion and are necessarily short.
lyric poetry is usually a form of poetry with rhyming schemes that express personal feelings it need not but can be set to music aristotle in poetics 1447a merely mentio ns lyric poetry kitharistike along with drama epic poetry dancing painting and other forms of mimesis