When would you test?

Jessica • ttc for 4 years. Have 1 tube open by lap surgery. Did 2 IUIs and no luck. IVF June 2016. I need to just relax, 😆
I don't want to test too early and be disappointed but this bbt chart is showing some positive signs. The slow rise, implantation dip and now the start of what looks like a triphasic pattern.

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