Its March 15th. I have not had my period since ...

First off, SEE YOUR DOCTOR ASAP!! That is the biggest and most important thing you need to do! A missed period can be a sign of various things, not just pregnancy- it could be something much more serious, and for that reason, it is imperative that you get a check-up.

Next, there are also multiple reasons for not getting your period. If you are on a low-dose birth control, such as ortho lo, the hormone levels may not be strong enough to regulate your cycle. Also, have you been eating normal? Have you recently started a new workout regime, or are you working out a lot? Are you drinking enough water? All of these things can affect your cycle as well.

Best of luck, and PLEASE SEE YOUR OBGYN ASAP!!

If you have no pregnancy symptoms and are not getting any bigger, I doubt that you are pregnant.Especially if it is not showing up on a test. Many things can cause a woman to no9t get her period or have irregular periods. Just be patient and wait until your gyn.appointment. It could be stress,diet changes, hormones,etc.

if you used pills non-stop from Noember - it is why you did not have periods - discover more below:

http://www.menstrual-cycle.info
http://menstrual-cycle-health.blogspot.com/