Yes it can.
yes they can as soon as the start their menustration cycle, in other words as soon as a youngster has their first period or starts puberty!
Not if you retain your ovaries.
menustaration is a period. its a time where you have blood coming out of your g-spot. its nothing to worry about though. if you want more info theres this GREAT website for learning about your body and periods. i even go to that website. its the BEST
Mensturation is natural, healthy, and inevitable for nearly all women.
If she has irregular period, she could probably get pregnant. When a girl is irregular, she might have an eating disorder or something is not right. you should be careful, that is pretty tricky.
10 days
Yes it is. You are passing the old lining of the uterus.
your cycle is bleeding.its purpose is to get rid of the unused eggs in the female body.
Yup
i would get that checked out. you could be pregnant, or there is something wrong with your menustration that could be dangerous to your health.
I can almost say no for sure. There has never been any records of women having their first period later than 20. Make sure to check with your doctor if this question applies to you; it's definitely abnormal.