Hypothalamic Amenorrhea. Amenorrhea simply means the absence of menstruation (one or more missed menstrual periods), and it can be caused by a variety of things, including problems with the reproductive organs or hormones.
Normality is an ambiguous measure of the concentration of a solution. It needs a definition of the equivalence factor, which depends on the definition of equivalents. The same solution can possess different normalities for different reactions.
Punctuality. Meaning and definition: Punctuality means the exactness in keeping timer and appointments. It is defined as a quality by virtue of which a person is able to do the right thing at the right time and never offers an excuse for the delay in work.The need for punctuality in everyday life: Punctuality plays an important role in every walk of life.dvantages of punctuality: Punctuality is the key to success. A man who is punctual in his everyday life enjoys certain advantages which others do not get.