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.
Miscarriage-About 20-30% of pregnancies end in miscarriage. Bleeding or spotting can be an early sign of miscarriage. Bleeding or spotting during pregnancy does not always mean that the woman will not go on to have a healthy pregnancy but it is reason for concern.A miscarriage often starts with light spotting that turns to heavy bleeding.wenty to twenty-five percent of women have bleeding or spotting during pregnancy. The bleeding is generally not as heavy a regular period. However, if a woman did not know that she was pregnant, she may assume the bleeding was just a light period.