Menopause Matters Forum
Menopause Discussion => All things menopause => Topic started by: sheila99 on June 09, 2025, 01:21:32 PM
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Does anyone know if there's a recommended time after increasing oestrogen before you have a blood test to check levels? Just got my hands on estradot and it would make sense to check this level rather than the estraderm level which I know is 💩.
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https://pubmed.ncbi.nlm.nih.gov/9473164/#:~:text=Thirteen%20hours%20after%20transdermal%20E2,0.79%2C%20p%20%3D%200.02).
This indicates steady state is reached after 13 hours.
Also I would pay attention to how long you have been wearing a particular patch when you test - I have also seen but can't currently find a study showing that delivery on day 3 of a patch was approximately 50% of delivery on day 1.
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https://www.sciencedirect.com/science/article/abs/pii/0002937888905911
In the patch group, estradiol levels rose rapidly to 152 ± 33 pg/ml at 4 hours, remained relatively constant over 8 hours, and fell to 46 ± 10 pg/ml at 72 hours.
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Thanks, that's really helpful - and surprising. I know some people feel a difference on day 4 but I had thought day 3 was a full dose.
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Thanks, that's really helpful - and surprising. I know some people feel a difference on day 4 but I had thought day 3 was a full dose.
Im wondering if some symptoms take a day or so to manifest after a drop in estradiol. Im curious what ladies taking gel experience ie If dont use the gel on a day, do they get symptoms immediately or would it be the next day
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It wouldn't surprise me if it did. My hip pain lessens by evening if I put the patch on in the morning which fits in with the above but I leave the patch on for 4 days so I get a reduced supply rather sudden cut off. Might be worth raising this as a new post as there probably aren't many people looking at this now?
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https://www.sciencedirect.com/science/article/abs/pii/0002937888905911
In the patch group, estradiol levels rose rapidly to 152 ± 33 pg/ml at 4 hours, remained relatively constant over 8 hours, and fell to 46 ± 10 pg/ml at 72 hours.
really interesting for me too, thanks