don't start the primulut until you speak to fs tomorrow

given that you have a secretory endometrium (usually means it's patchy as opposed to a proliferative/consistent endo) it sounds like ovulation happened or the follicle was reabsorbed, but they should be doing a BT 7 days post ovulation not just a couple of days. if you've only o'd in the last day or two, your P4 would be very low