TTC - how long before trying should you go to a fertility doctor?

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My husband and I have been TTC for a little over 5 months now, I've never been on Birth Control medication, before we used condoms and "pull-out".

We're both young (27 & 30), healthy as far as we know... But it's not really working, so... Should we go to a doctor, wait more...? Asking for personal experience and advices. Keep in mind going to a doctor at the moment would be risky and harder than what it normally is too.