There are many possible causes of this. I know a miscarriage can cause these issues. You're body clots to stop bleeding, and if it's not stopping or at least slowing down the body is having issues stopping. If you're on a blood thinner such as Advil or aspirin this can cause this too. To be safe I would recommend seeing a doctor in case it is something serious.
talk with a parent
You should be concerned as it is not regular you will have to take extra care.
Yes, it is normal to experience clotting during your period. Clotting can occur when the blood flow is heavy and the blood clots before it exits the body.
If your period has lasted this long, you should go to the doctor or gynaecologist as soon as you can to get checked out.
you can test during the period, or anytime afterward if you are concerned that you were pregnant during the light period. ~pawsalmighty
If you are having concerns about your period delayed, you should consult with your physician to see what the issue may be.
no
Your period should las around 5 days to a week. Mine lasted for about 2 weeks and I went to the doctor and I am 12 but he said it was totally normal.
A gynecologist would know.
Yes, you must consult a doctor immediately.
The sengoku period lasted for about 450 years
The colonial period lasted from 1600 to about 1974