Once a month
No
No.
Well infinite menstrual cycles are a period in life where a woman and in some rare cases, a man, develop a menstrual cycle that they have every day for the rest of their life.It's easy to spot someone who has infinite menstrual cycles. If a woman and again, in some rare cases, a man, is evil every day and has developed a severe attitude, they have infinite menstrual cycles.Some side effects are: Attitudes, evilness, cockiness, ignorance, rudeness, often glares, frowny faces.For example: Some middle aged teachersThere isn't a known cause for infinite menstrual cycles but most doctors say it comes from stress.There is no known cure to infinite menstrual cycles. If you happen to come across one, seeing a doctor will not help. Your just screwed.
because it just does.
Delayed menstrual cycles have been reported when taking Ciprofloxacin. The delay can also be caused by the urinary tract infection. Both can cause delayed menstrual cycles.
The average menstrual cycle length is 28 days - but everyone is different. As a note while on birth control pills you don't have a menstrual cycle, the pill works by suppressing your menstrual cycles so you no longer ovulate.
Irregular menstrual cycles mean that there is no predictability in a persons menstrual cycles. Typically when a person has irregular cycles there are weeks or months difference between menstruation and/or they may have irregular bleeds between menstruation. You an have monthly periods with an irregular cycle, but often people think their cycles are irregular because they don't understand that a persons cycles may not always be 28 days or that cycle lengths can change.
Menstrual cycles will come to an end as women go through menopause. Women's menstrual cycles will also be stopped if they fall pregnant, while on hormonal birth control, or after a hysterectomy.
No. Humans are the only mammals with menstrual cycles. Deer, as well as other mammals, have estrous cycles. http://en.wikipedia.org/wiki/Estrous_cycle
The average menstrual cycles lasts 28 days - but different women may experience different menstrual cycle lengths, and cycles can change throughout a woman's life.
28 days
because of stuff in them and yeah