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BTD Forums    Diet and Nutrition    Live Right 4 Your Type  ›  Finding out secretor status
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Finding out secretor status  This thread currently has 798 views. Print Print Thread
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Caz B
Wednesday, March 19, 2008, 2:41am Report to Moderator Report to Moderator

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I have read the sticky on Australian secretor testing, just wondering....

My naturopath now has the ABO blood typing kit, we are going to test my daughter with the saliva first to see if we can find out her blood type this way.   Obviously if we get a result then she is a secretor.  But if nothing shows up can we be sure she is a nonnie?  I don't want to assume, I would like to be certain  


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Planning to overcome Asthma and Adrenal Fatigue with SWAMI.  

Husband 48yrs, A+ Sec * DD 18yrs, A+ Non * DD 13yrs O

John 14:6 - Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.
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Lola
Wednesday, March 19, 2008, 2:52am Report to Moderator Report to Moderator

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Sa Bon Nim
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performing the lewis test only is how you can know whether she s a secretor or a nonnie......then there s the 'rare birds' like the lewis double negatives Le a- b-  or the lewis double positives.
Le a+ b+ (VERY rare) both would need the saliva test to determine secretor status
Le (a+b-) is always a non secretor
Le (a-b+) is always a secretor


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Caz B
Wednesday, March 19, 2008, 3:02am Report to Moderator Report to Moderator

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She's doing the saliva (and possible finger prick test) tonight.  Are you saying that even if the saliva doesn't give us a reading she could still be a secretor?

I can be sure she is a secretor if the saliva test gives a result, can't I? Otherwise how does the saliva show her blood type?

Sorry for all the questions.


Personality test ESTJ

Planning to overcome Asthma and Adrenal Fatigue with SWAMI.  

Husband 48yrs, A+ Sec * DD 18yrs, A+ Non * DD 13yrs O

John 14:6 - Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.

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Caz B  -  Wednesday, March 19, 2008, 3:06am
Trying to explain myself!  I'm even tonguetied when typing!
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Lola
Wednesday, March 19, 2008, 3:05am Report to Moderator Report to Moderator

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Sa Bon Nim
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I believe the bloodtype antigen will show up on the saliva test, yes.....


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Caz B
Wednesday, March 19, 2008, 3:08am Report to Moderator Report to Moderator

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Thanks Lola, I appreciate your help  


Personality test ESTJ

Planning to overcome Asthma and Adrenal Fatigue with SWAMI.  

Husband 48yrs, A+ Sec * DD 18yrs, A+ Non * DD 13yrs O

John 14:6 - Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.
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Lola
Wednesday, March 19, 2008, 3:11am Report to Moderator Report to Moderator

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Sa Bon Nim
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keep us posted, and ask anything you want, we ll try and find the answer, together......


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Caz B
Wednesday, March 19, 2008, 8:04am Report to Moderator Report to Moderator

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Well, we found out my baby is an 'O' (she's 8 so not really a baby)

The saliva test had no reaction so we did the finger prick.


Personality test ESTJ

Planning to overcome Asthma and Adrenal Fatigue with SWAMI.  

Husband 48yrs, A+ Sec * DD 18yrs, A+ Non * DD 13yrs O

John 14:6 - Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.
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Lola
Wednesday, March 19, 2008, 8:12am Report to Moderator Report to Moderator

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Sa Bon Nim
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can they perform the lewis test with a blood sample to determine her secretor status?


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!

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Lola  -  Thursday, March 20, 2008, 4:16am
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Caz B
Wednesday, March 19, 2008, 10:32am Report to Moderator Report to Moderator

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I have absolutely no idea, I am learning so much just by reading the posts in this forum, and of course going back to my books and checking things out.  

The saliva test they did took 2 samples of saliva, one for A type and one for B type, then she put a different drop on each of them.  When there was no visible reaction she did the same thing but with the drops of blood (just with a finger prick).  Still with no reaction which discounts Type A, B and AB.  So we know she's a Type O, but it doesn't give Rh factor or secretor status.

If she was A, B or AB and a secretor it would have shown up on the saliva test.  

If I am wrong with this, anyone, please feel free to explain otherwise (I love learning new things!)


Personality test ESTJ

Planning to overcome Asthma and Adrenal Fatigue with SWAMI.  

Husband 48yrs, A+ Sec * DD 18yrs, A+ Non * DD 13yrs O

John 14:6 - Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.
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Lola
Thursday, March 20, 2008, 4:05am Report to Moderator Report to Moderator

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Sa Bon Nim
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Quoted Text
Dr. D'Adamo had this to say about differences in secretor testing: "Having done 5000 Lewis typing tests in the clinic over the last 15 years, and about 400 salivary inhibition studies, I can safely say that saliva testing is more accurate than blood. The reason being that the agglutinations that are used to determine Lewis types are very delicate (weak antibody reaction) and can easily be misinterpreted, unlike ABO which makes a big glop that you cannot miss (strong antibody). I've even seen conflicting results from two different MedPath labs, especially if the staff is not trained well enough." The subject is discussed in more depth in one of the Science Knowledge Base Entries.
http://www.dadamo.com/knowbase/subtype/subtype6.htm


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!

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Lola  -  Thursday, March 20, 2008, 4:20am
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Mayflowers
Thursday, March 20, 2008, 7:33pm Report to Moderator Report to Moderator
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Thanks for the info Lola.  That explains much.
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Vicki
Friday, March 21, 2008, 3:37am Report to Moderator Report to Moderator

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Sun Beh Nim
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Even though she is Type O, labs can still test her saliva to see if she is a salivary secretor. Not sure if your lab has the capability though.

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Lola
Friday, March 21, 2008, 6:09am Report to Moderator Report to Moderator

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Sa Bon Nim
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Quoted Text
labs can still test her saliva to see if she is a salivary secretor.


that would be a Lewis test, and not all labs have it readily available, ask around.
a hospital blood bank lab is more viable


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Vicki
Friday, March 21, 2008, 1:40pm Report to Moderator Report to Moderator

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Sun Beh Nim
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My understanding:

Lewis test is a test of the blood.  When one is a Lewis double-negative, they are advised to follow the salivary non-secretor diet with the BTD.  Lewis secretors and Lewis non-secretors can follow their respective BTD diets.

The salivary secretor test is different than the Lewis blood typing system.  The results are often "interchangeable" in most cases.  The exception is when someone is a salivary secretor but a Lewis double-negative.  In this instance, one would follow the non-secretor BTD recommendations.  
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Lola
Saturday, March 22, 2008, 5:19am Report to Moderator Report to Moderator

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Sa Bon Nim
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Quoted Text
Dr. D'Adamo had this to say about differences in secretor testing: "Having done 5000 Lewis typing tests in the clinic over the last 15 years, and about 400 salivary inhibition studies, I can safely say that saliva testing is more accurate than blood. The reason being that the agglutinations that are used to determine Lewis types are very delicate (weak antibody reaction) and can easily be misinterpreted, unlike ABO which makes a big glop that you cannot miss (strong antibody). I've even seen conflicting results from two different MedPath labs, especially if the staff is not trained well enough." The subject is discussed in more depth in one of the Science Knowledge Base Entries.
http://www.dadamo.com/knowbase/subtype/subtype6.htm

Lewis test is done through blood or saliva.....


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Vicki
Sunday, March 23, 2008, 6:43pm Report to Moderator Report to Moderator

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Sun Beh Nim
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Lola,

Quoted Text
Because saliva testing is actually assessing the presence or absence of ABH antigen in saliva, it is the only method to determine secretor status correctly in all populations.

There is, however, another method using blood and testing for a blood grouping system (the Lewis groups) that can be used to infer secretor status, but suffers from the inability to reliably determine secretor status in 100% of the population.


Lewis "blood grouping system" is a test of the blood.  Salivary secretor testing is of the saliva.


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Vicki  -  Sunday, March 23, 2008, 6:57pm
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Lola
Sunday, March 23, 2008, 9:10pm Report to Moderator Report to Moderator

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Sa Bon Nim
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that is very helpful Vicki, thanks!


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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