Bbt charting questions

Alyssa • Ttc #1 since August 2015 // 7 IUIs = all BFN // May 18’ Fresh IVF = Chemical // June FET = 👶🏻
I know that temps are supposed to rise after ovulation but Is it impacted any more after that before a bfp
Some things I've read are that it should stay up for 3 days..should stay up til AF...could dip around implantation... Spike around implantation.
Are are your bbt charts like and if you have been pregnant did you notice anything specific in your chart? 
Here's mine for this month. I'm 8dpo, temp was regularly 97.5 pre ovulation 

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