yes you sure can
No, it is PMS.
Might be for you. Cramping is a yes. http://www.americanpregnancy.org/gettingpregnant/earlypregnancysymptoms.html
Yes. Cramping during early pregnancy comes and goes.
its your uterus preparing for the pregnancy
Yes, mild cramping is normal in early pregnancy. For me it felt like that little bit of cramping I would get just before my period would start, the mild cramps that let me know bigger cramps would be coming. Only in early pregnancy, bigger ones shouldn't come. Mild and slightly uncomfortable, but not excruciating and dibilitating in the way period cramps can sometimes be.
pregnancy or time for your period....
Yes it can be a sign of pregnancy.
Yes they can both be early signs of pregnancy.