I'm on nexplanon but believe i may have miscarried last night without knowing i was pregnant. is there any way for my doc to confirm this miscarriag ?

Yes but It depends: Since Nexplanon is highly effective in preventing pregnancy, it may be very unlikely that "you miscarried". On the other hand. If indeed you were pregnant , your doc may confirm your suspicion by checking your blood betaHCG, ASAP. BetaHCG may decrease slowly after some late miscarriages or if the abortion is not totally completed. If you lost a very early pregnancy completely, your doc may not ..