Doesn't really tell you anything. Bodies aren't clockwork-perfect and can drop out of synch for any number of reasons. But if you have been having unprotected sex you might as well get tested.
What if you are three days late for your period? It's normal for there to be around 7 days variation from your average menstrual cycle. A few days 'late' isn't a big deal, as long as you're not sexually active no reason for you to worry about it.
Yes, sometimes your period can just be late. You can check this site for more information as to why it could have been late. http://www.scarleteen.com/article/pink/m_i_a_or_dude_wheres_my_period
No it's only if your late.
yes
It is usually accurate when period is 7 days late
Means your prego!!
It means your period is five days late. Only you know your chances of being pregnant.
you take the pill for 21 days and then stop taking it for 7 days. and in them 7 days you shall have your period. however, this is not a true period. then you repaet the process
Not likely.
pregnancy
There are a few reasons why a person may have a period that is 9 days late. The person may be pregnant or it could be stress related.
Yes, it is possible. Go get a test. You can buy them at the store if you don't want other people to know.