My average cycle length is 15 days atm, though the past two have been 12 days. I've had day 3 blood tests (all ok) and ultrasound (normal). GP is stuggling to do a relevant progesterone test, as whenever it's booked I always end up getting my period. Has anyone had any similar experience to this? GP said today that she is going to write to gynae dept to ask their advice as she doesn't know what to do next.