During this time, the most common cause of irregular menstrual cycles is immaturity of the HPO axis, but additional etiologies should be considered, including pregnancy, PCOS, hypothyroidism, hyperprolactinemia, and functional hypothalamic dysfunction.
1 Cubism was invented around 1907 in Paris by Pablo Picasso and Georges Braque. 2  Cubism was the first abstract style of modern art. 3  A Cubist painting ignores the traditions of perspective drawing and shows you many views of a subject at one time.4  The Cubists introduced collage into painting. Cubism was the first abstract style of modern art. 2  A Cubist painting ignores the traditions of perspective drawing and shows you many views of a subject at one time. 3  The Cubists introduced collage into painting.
Analytical Cubism is one of the two major branches of the artistic movement of Cubism and was developed between 1908 and 1912. In contrast to Synthetic cubism, Analytic cubists analyzed natural forms and reduced the forms into basic geometric parts on the two-dimensional picture plane.