new cycle (edited)

So I have my period today but I’m not sure I can contact anyone at my RE’s office on a Sunday. There was certainly no way listed in their answering service. I’ll keep trying but if I can’t get anyone until tomorrow, is it too late? I’m usually such a planner – I can’t believe I never asked this question this time around. How ironic if I end up missing this cycle because of this instead of the mammo fiasco?

UPDATE: I emailed my RE and he wrote back that it’s totally fine. I go in tomorrow AM for an ultrasound and blood draw. Here we go…