yes you could be pregnant, best bet is to see your doctor
It is possible to be pregnant and the test negative, but not likely.
Yes it is possible to skip a period and still not be pregnant. You might be irregular or it just want your time yet...
Yes.
Yes. There are several things that can make you miss a period...stress, hormonal imbalance or irregular cycles. See your doctor if you think it is possible you may be pregnant.
It is possible but does not happen often. Its more likely to happen to a girl who's periods are irregular.
It is possible but does not happen often. Its more likely to happen to a girl who's periods are irregular.
no
yes, if you just got you're period then it can be irregular. If you did just get it and it is changing now, I would go to a doctor if it is really irregular.
If you are still having periods and the tests have proved negative then you are not pregnant. What you should do is in future take more care with your contraception.
Most likely no, but however it is possible.
yes, its possible that you can be if your periods has always been irregular they often still longer if you but that's how you know.
yes! a blood test can be taken and even with that sometimes there can be no sure way to prove your pregnant until the baby is moving