Different Feeling Before Menstruation Can Anyone Tell The Difference Between Menstruation And Early Signs Of Pregnancy?

Can anyone tell the difference between menstruation and early signs of pregnancy? - different feeling before menstruation

I'm not sure, but things are really at the time of my girlfriend in the area ... and a week before the class, we have made with underwear, as in our ... I was a little .. than 1 / 2 inches and tore ... I'm not really sure if she is pregnant or not ... and she had some symptoms as before, as they are different from the menstrual

Here is a list of symptoms:
Stomach cramps
difficult to discharge
more acne
Dizziness
Back pain (it is uncertain, but can sleep on the sofa, very sweet)
Sleep deprivation (your dog might wake up in the middle of the night and the cause which has been out on the reality of pregnancy)
It is difficult for them to make a realityEP breathe ... Stomach ache
do not think there has been a change in the chest ...
She had no morning sickness
it does not feel sick
the liquid into your privacy is stronger than in the past, it seems a little thicker, instead of a liquid

If anyone could me any information about what I think my friend is that through it would help me a lot ... I really need help with this problem and if someone could me some advice also contribute to what we think is happening, ... Thank you for trying to help all