Testing out trigger?

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I’m getting ready to start my fourth medicated <a href="https://glowing.com/glow-fertility-program">IUI</a> cycle, and I’m contemplating testing out my trigger this cycle. I haven’t done it before, but I’m curious if it might make another bfn less of a totally devastating blow. I’d love to know your experience of whether testing out your trigger helped you weather a bfn, was about the same, or was worse than not testing it out. TIA!