As Neils Bohr showed, it is possible for electrons to move between energy levels. Light contains energy. If a photon of light strikes an atom, it is possible for the energy in the light ray to be transferred to one of the low energy electrons moving around the atomic center.
Spotting before a period is due â reasons for spotting before a period can be implantation, from a cyst or a short luteal phase and impaired egg quality. Spotting in between cycles â this is a difficult term to answer but often means your cycles are growing shorter; often with perimenopause.
Spotting and Menstrual Cycles. Occasional spotting that occurs before a period or in the middle of a cycle is not a reason to be worried, as it is usually normal. However, make sure that the bleeding is from your vagina and not from your urine or rectum.You could find out by using a tampon.ther Causes of Spotting Before Your Period. Mild vaginal bleeding before your period may also be related to other conditions such as pregnancy or menopause. Pregnancy. Many women notice some spotting in the first seven to ten days of being pregnant, when they are not yet aware of the pregnancy.