Adoption while TTC?

Angela • 💍 Married 10-11-12! 👫TTC since 11/2013. 💉 IVF #1: 6/2016, miscarried 7/2016. 💉 IVF #2: 8/2017, miscarried 10/2017. 🌈 FET #1: 4/2018, Rowan Amelia born 12/16/18
We are going on 2 years TTC. Beginning next year, we will start the <a href="https://glowing.com/glow-fertility-program">IVF</a> process. We've also talked about adoption, knowing it can take a long time to adopt a baby. When should we start looking into the adoption process? After <a href="https://glowing.com/glow-fertility-program">IVF</a>? Before? During?