Girls, I don't know what to do, I woke up from the feeling that my sto…

Girls, I don't know what to do, I woke up from the feeling that my stomach was really tight, went to the bathroom and saw bleeding discharge, my stomach pulls occasionally like during my period... this is complete blockage or something I don't understand, I read online that it could be detachment of the placenta already... I don't know what to think now