Other contributors have said "What cuases missed menstruations?" is the same question as "Which are the causes for missing a menstruation?" If you believe that these are not asking the same thing and should be answered differently, click here
Generally, not ovulating is the reason for not having a period. The most common cause of not having a period is pregnancy. If you're not pregnant, and not having your period, you need to see the doctor to figure out why you're not ovulating.
Menstruation, (Or more commonly known as periods) happens to every girl or woman of a certain age. It is where the protective womb lining (That protects a baby if you fertilise an egg) exits the body...
The question is pretty vague. The answer to the question as asked is certainly "yes". That's not as helpful as it could be; you might want to go into more detail as to precisely what sort of...
Getting your period doesn't occur if you're pregnant, not going through puberty, or in menopause. Other potential causes: Insufficient nutrition, anorexia, over-training for athletics, excessive...