I Got Misscarraige Last August 2015 Aftr My Misscarriage We

I got misscarraige last august 2015 aftr my misscarriage we wont try for baby but now I want to get pregnant bbut I m tryng from lst 4mnth bt till yet no result I consult to my doc she suggested me. This ovafuze tablet to Mr nd sperfuze tablt to my husband for 3mnth bbbt we have takn this medicine only 2weeks nd thn we stop bt. I miss my period also last mnth and aftr checking its showng negative is this is happing due to irregular dose of mrdicinne or what