The average menstrual cycle is 28 days from Day 1 to Day 1 of your period. However, anywhere from 25 to 31 days between periods is considered a normal menstrual cycle. The best thing to do when you suspect that you're experiencing abnormal bleeding or menstrual cycles is to consult with your health care provider.
During interphase, the cell is preparing to divide and is actively synthesizing the required components. Originally and inaccurately referred to as the resting stage, the interphase is actually a period in which a considerable degree of activity is taking place on the sub-cellular and molecular level.
Key Points. 1  There are three stages of interphase: G1 (first gap), S (synthesis of new DNA), and G2 (second gap). 2  Cells spend most of their lives in interphase, specifically in the S phase where genetic material must be copied. 3  The cell grows and carries out biochemical functions, such as protein synthesis, in the G1 phase.