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.
âAbnormalâ Spotting, spotting in early pregnancy and spotting when a period is due. Abnormal spotting shows up at times other than the above mentioned times. Abnormal spotting lasts for days. Itâs abnormal to spot days before your menstrual cycle is due.r, during ovulation, the level of oestrogen rises, and this sometimes prompts the uterus to shed a bit of lining, which shows up in the form of spotting. Spotting that occurs about a week before the cycle is due â and only lasts for less than one day-is possibly considered implantation spotting.