How To Conceive After A Miscarriage?

My age = 29 height =5.2 weight =62

Hi Doctor,
i had thyroid doctor has suggested me to take Antroxin 50mcg and benforce-M i got pregancy in the same month whlie i was using these tablets I have faced the misscarriage in the 4th month .Now i had all the tests(HSG,TORCH,THYROID,Chromozome) done and it was told that i had TORCH infection due to which i lost my pregency .

Now i want to get pregant we are planning since 3 months after all the above tests I am not understaning why iam not getting pregency do i have to use Benforce tablet again