June 05, 2012 08:00 AM Eastern Daylight Time. ARLINGTON, Va.--(BUSINESS WIRE)--CACI International Inc (NYSE:CACI) announced today that it has been awarded a $165 million prime contract to support the Department of Defense (DoD) with procurement initiatives through the companyâs Standard Procurement System (SPS).
Updated May 06, 2016. There are two menstrual cycle phases that occur during every monthly cycle. Each cycle begins on the first day you have your period and end on the day before you begin menstruating again. The first phase is the follicular phase, or the proliferative phase. The follicular phase begins on Day 1 of the menstrual cycle. Estrogen and progesterone levels are at their lowest during menstruation.
1 Menstruation is a monthly shedding of a female's uteral lining; it lasts about 3 to 5 days (average) and contains blood and tissue that exits her body through the cervix and vagina â the first day of menstruation is the first day of your period. 2  The menstrual cycle is the recurrent approximately monthly menstruation.