Spotting at DPO2

Angela • Married 10-11-12! TTC since 11/2013. IVF #1 - 06/2016, miscarried 7/2016. IVF #2 - 08/2017, miscarried 10/2017. FET #1 - 04/2018
Never spotted before, I'm pretty regular. Anyone had this happen? Thoughts? Thanks!