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.
You can view more details on each measurement unit: cubic feet or yard. The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 35.3146665722 cubic feet, or 1.30795061379 yard. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between cubic feet and yards.