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 medication can darken your stool during pregnancy. One of the popular over-the-counter medications Pepto-Bismol, prescribed for stomach upsets, often causes dark stool in pregnancy. For such reasons, before taking any new over-the-counter medication during pregnancy, consult your gynecologist.