Okay ladies so I haven't had my period in a few months my daughter is four months now .. I probably…

Okay ladies so I haven't had my period in a few months my daughter is four months now .. I probably had my period twice ? .. & im not on birth control , I took two pregnancy test both negative .. I haven't felt any different . When I was pregnant with my daughter I knew right away ! Symptoms where no joke !!! I just made an appointment with my doctor too see what's up with my body !