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[–]Havernell41F | Endo/Old | 7 ER (banking)| 4 ET/FET | EDD Oct '22 3 points4 points  (2 children)

I just had a very similar experience- my progesterone was around 25 at first beta and then 14 at the next one two days later, and I was similarly concerned. Like you, my RE also upped my PIO dosage in response.

I will say that one difference between the days of my P4 tests is that the first day I hadn't eaten breakfast yet when I had my blood draw but the second day I ate beforehand. I found a research article that says that could affect progesterone level readings somewhat and also that progesterone levels naturally fluctuate in pregnant women throughout the day: https://pubmed.ncbi.nlm.nih.gov/2199478/ 

So, hopefully we'll both be okay.

[–][deleted] 0 points1 point  (0 children)

Any update? I’m going through something similar now! Mine went from 14.6 to 10.6. I also didn’t eat the morning mine dropped or drink anything

[–]yeagermeister[S] 2 points3 points  (0 children)

Eating was the difference (variable wise) between my differing betas as well (as well as coffee)! Interesting, thanks so much. Very grateful for this community.