Hi Im 34 N Never Been Pregnant. I Had A

Hi im 34 n never been pregnant. I had a hsg test done n right tube is blocked but left one has spillage what foes this mean n they say i can get pregnant with one tube how come it never happened?its way to exspensive to see a fertility specialist n my insurance doesn't covet infertility. Please help what else can i do also currently trying herbal tampons to clear tubes is this a good idea?