Hi I had 2 strong positive ovulation tests on both Saturday at 4pm and today (Sunday) at 7am. I retested Sunday 10am and the test line was still quite dark but had faded and wasn’t as dark as the control line. I’ve not done the deed yet as I ovulated later than usual and the only chance I’ll get is this evening. Is this too late as even though I still had a positive test this morning it’s negative now?