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BTD Forums  /  Nonnie Clubhouse  /  Secretor status and prevalence in blood types
Posted by: Anemone, Monday, August 22, 2011, 4:48pm
Hi All

I'm new to all this and just learning about secretor status and whether there is a prevalence amongst certain blood types to be either secretor or non-secretor.  I know that anyone regardless of blood type can be either but wanted to ask whether non secretor status is more prevalent among any group?
Posted by: Lola, Monday, August 22, 2011, 10:40pm; Reply: 1
in fact we are few......
prevalence is secretor status......non secretors are but a 10 or 15%

LDN are but a 5%
Posted by: Anemone, Monday, August 22, 2011, 10:49pm; Reply: 2
thankyou for your reply.  So am I right in thinking that approx 85% of women with pcos are secretors and 15% ish are non?   Please correct me if I have misunderstood.  I am really trying to find out whether most women with PCOS are non secretors.
Posted by: Anemone, Monday, August 22, 2011, 10:51pm; Reply: 3
oops ive replied to the wrong message I have two queries on the go at once sorry  :) new to this and still getting the hang of it!
Posted by: Lola, Tuesday, August 23, 2011, 12:48am; Reply: 4
non secretors do not do too well with excess carbs or sweeteners

we in fact have very little in that regard in our listings
Posted by: O in Virginia, Tuesday, August 23, 2011, 1:47am; Reply: 5
What is PCOS?   ??)
Posted by: C_Sharp, Tuesday, August 23, 2011, 2:26am; Reply: 6
Polycystic ovary syndrome

Indicates the endocrine system is not balanced and the hormone levels are not correct.
Posted by: O in Virginia, Tuesday, August 23, 2011, 12:29pm; Reply: 7
Quoted from C_Sharp
Polycystic ovary syndrome

Indicates the endocrine system is not balanced and the hormone levels are not correct.


Thank you.
Posted by: Kumar, Wednesday, August 24, 2011, 8:21am; Reply: 8
The percentage of non-secretors varies across regions. In some, places or among some communities (as I have read in Dr D's writings) the percentage is as high as over 30 and in others, as low as almost nil.
Posted by: snazzyshazz, Sunday, December 4, 2011, 10:16am; Reply: 9
Just stumbled across this thread now. Anemone, there was a study done in 2010 which looked at exactly what you are asking. A researcher called M Jaff did a break down across the blood type groups in Iraq. He studied 762 unrelated individuals, and came up with the following very interesting info. Blood groups A, B, and AB had around 30% non-secretors, whereas group O had only 12%. In other words, roughly 1 in 3 people of blood groups A, B, & AB are non-secretors. Only 1 in 8 of O's are non-secretors. Of course, there will be differences across other countries, but it is very interesting info, especially in light of the diseases/conditions to which nonnies and non-O's are susceptible.
Posted by: Canadj, Thursday, December 29, 2011, 6:44pm; Reply: 10
I was born with an ovarian cyst. :'(  It wasn't discovered until much later though.  Perhaps that is an indication that I'm a non?
Posted by: Beachgirl, Wednesday, February 22, 2012, 1:04am; Reply: 11
Bumping this because after much running around, I've finally found out that my ins. co WILL cover the Lewis testing when I go for my annual blood work in March.  So, a- b+ = secretor & a+ b- or a- b- = nonnie.  Is this correct?  I just want to know what to look for, seeing as my doctor had no clue what I was talking about & had never even heard of the test.  :-/
Posted by: Lloyd, Wednesday, February 22, 2012, 2:00am; Reply: 12
Yes. Double negative can be either secretor or non but for BTD purposes is treated as non.
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