â¦longevity of seeds, the dormant embryo plant contained within the seed will lose its viability (ability to grow) if germination fails to occur within a certain time. Reports of the sprouting of wheat taken from Egyptian tombs are unfounded, but some seeds do retain their viability a long time.
Implantation bleeding-Spotting during pregnancy may be caused by implantation. Implantation bleeding occurs after the egg burrows into the lining of the uterus. As the egg implants into the lining sometimes a little bit of bleeding will occur.
Certain problems related to pregnancy can cause spotting. Also note that some women experience spotting during ovulation, so if you only notice the bleeding mid-cycle, this could be the cause. If the spotting does not improve with a lighter exercise regimen, I would recommend seeing a doctor for a full evaluation.