How does the trigger shot work?

sara

Does it prevent your body from ovulating on its own? Like the trigger shot takes over. I already ovulate on my own and last month I had a positive opk before the trigger. I had a 21mm follicle yesterday and triggered at 8pm. <a href="https://glowing.com/glow-fertility-program">IUI</a> will be tomorrow morning. I really worry about timing. We are unexplained infertility