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.
A variety of factors during early pregnancy can cause bleeding. Pink bleeding can be caused by implantation bleeding. Infections, an impending miscarriage, or an ectopic pregnancy can also cause other types of bleeding. Heavy bleeding in early pregnancy requires immediate medical attention, as it may be an indication of a miscarriage.