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.
1 Birth control: Birth control can cause irregular periods and spotting or brown discharge. 2  Pregnancy: Implantation can cause your discharge to look brown. 3  It may also signal a problem with the placenta. 4  Miscarriage: Some women will see dark brown blood or discharge during the early stages of a miscarriage.