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estrogen/ estriol molecules

 
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PostPosted: Sat May 14, 2005 10:45 am    Post subject: estrogen/ estriol molecules Reply with quote
is this true ? estradiol molecules are bigger than estriol molecules ?
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drtodorov
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Joined: 10 Dec 2004
Posts: 3177
PostPosted: Sun May 15, 2005 12:26 am    Post subject: Reply with quote
They are very close in size. Estradiol has been shown to better penetrate skin (that's probaby why in comparative studies they use estriol in higher concentrations than estradiol)
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