This is because period blood isn’t just made of blood ... You are likely to pass blood clots if you experience a miscarriage.
Heavier bleeding and passing clots or tissue is another matter ... what you think was a late or especially heavy period could be an early miscarriage. Among the miscarriages that occur in the ...
If bleeding is a miscarriage, it is usually accompanied by abdominal cramps (like period pains) and may be heavy, with clots. You should see your GP or midwife if you experience any bleeding: there ...