Irregular menstruation is when the length of the cycle is more than 35 days, or if the duration varies. A period, or menstruation, is the part of the menstrual cycle in which the endometrium, which is the lining of the uterus, is shed. This appears as bleeding from the womb that is released through the vagina.
1 There is no universally agreed symbol for the cubic foot/feet. 2  Various abbreviations are used, dependent on context, including (but not exclusively) cubic ft, cu ft, cb ft, cbf, ft3, foot3, feetÂ³, ftÂ³.  The cubic foot is used mainly in the United States, Canada and the United Kingdom as a measurement of volume.
WHAT IS A CUBIC FOOT??? A cubic foot is a space that measures 1 foot by 1 foot by 1 foot. To determine how many cubic feet a certain piece will be multiply the length x width x height of the piece. For example, if a dresser measures 4 feet long x 2 feet wide x 5 feet high it is 40 cubic feet.