ttc; infertility:/

So I moved in with my fiancé almost 2 years ago (November2014 ) at first he was pulling out or using condoms, but after a few months he stop doing that because we decited that if we were blessed with a baby then it would be the right time fast toward now it's been almost 2 years since we moved in and no I am not or have ever been in birth control I am so scare we will not be able to conceive naturally because idk if we can afford ivf or anything like that😭 I am 25 now and he is 30 should be seek help ??