Trying to get pregnant taking taking siphene tablets and folvite

I’m 24 years old & married.trying to get pregnant.i had an ovarian cyst formed by reverse flow of menses blood.3 months before had a laparoscopy.after 1 month rest we tried for pregnancy .taking siphene tablets and folvite.not conceive d but it’s still spotting few days before normal periods.so tensed,
How can i get pregnant fast,?.is there chances to reappear this cyst?