Orchidsindoors I am negative for G2021A prothrombin and Factor V Leiden, and took the contraceptive pill without any problems for years (also lots of longhaul travel and major abdominal/pelvic surgery without ever having a DVT or embolus).
They do think this is Covid coagulopathy, but the learning on it is obviously in its infancy. I am being reviewed further in a few weeks by both the haematologists and the pulmonologists.