I. A. Polycystic ovarian syndrome (PCOS) was originally described in 1905 by Stein and Leventhal as a syndrome consisting of amenorrhea, hirsutism, and obesity in association with enlarged polycystic ovaries. It is now realized that this relatively common syndrome is an extremely heterogenous clinic...

Q1. Define "Biological Rhythms" and explain the two infradian rhythms. Biological rhythms are defined as a periodic, more or less regular, fluctuation in a biological system that may or may not have psychological implications. Infradian rhythms are a certain type of biological rhythm t...