TTC for 6 years now pliz help if some1 has the same situation ??

Me and my hubby been together for 8 years now and i found out i had pcos 3 years ago been on clomid and off n on progesterone it really depends on my p. If it comes normal on not last year had a tubal pregnancy and lost it, it has been 4months now i haven't took my pills bcuz cant afford it right now but my p. Has came normal so im wondering if i can get pregnant with out the pills n if this has happen to some1 else..im getting worry about not being able to hav children n bcuz im goin on 30 and depress bcuz all my friends r gettin pregnant:(