Depo shot unsure

I got the depo shot last year 30 october then had unprotected sex on the 26 and 28 january then had my second depo shot on the 30 january, i have never had my period with the depo even 9 years ago when i used to be on it never had periods but this time round no period but have had egg white discharge, and i have been ovulating on the depo shot have bad stomach cramps also, is this normal