tazzygirl
Posts: 37833
Joined: 10/12/2007
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quote:
ORIGINAL: kalikshama
quote:
Meaning that when actually used its effective only 96.8% of the time.
But pregnancies were excluded from the Pope Paul VI Institute stats. (See my Wiki quote previous page.) I have to leave, so will dig deeper into this when I return, unless you beat me to it.
I missed your post. Thank you for the heads up. And you are right, it does change the outcome.
Yeah, I got lots of problems with this study....
http://www.ncbi.nlm.nih.gov/pubmed/8057183?dopt=AbstractPlus (the source, not wiki)
PIP:
In Wisconsin, nurse researchers followed 242 couples who had enrolled in the Marquette University Nursing Center's natural family planning program between October 1984 and May 1992 to determine the use effectiveness of the Creighton model ovulation detection method to avoid or achieve pregnancy. The couples were largely college educated (98%), white (93%), and Roman Catholic (80.2%)
What is the demographic of the poor? What if they arent white? Why was this the target group?
The practitioner informs each couple that if they choose to have genital intercourse during the fertile period, they have abandoned the model as a method of pregnancy avoidance and have adopted it as a method of achieving pregnancy.
Completely understandable and certainly valid.
The use effectiveness rate of avoiding pregnancy at the 12th ordinal month was 98%.
Already shown to not be accurate.
The use effectiveness rate of achieving pregnancy at the 12th ordinal month was 24.4%.
Not really pertinent to this discussion, but interesting none the less.
The cumulative discontinuation rate was 20.2% at the 12th ordinal month. Personal reasons (17.4%) were the major reason for discontinuation. These findings suggest that the Creighton model is effective at avoiding or achieving pregnancy, if it is taught by qualified teachers.
This can be taken one of two ways.
If seen in the concept of birth control pills, this could mean that a woman just decides to stop taking the pills. This could also be seen as a woman forgetting a dose.
Its interesting to note that none of the other forms of birth control exclude the latter group. Implying that a woman on the pill is out of a study because she forgot a dose would be the same thing as the exclusion this study performed. Such exclusions due to a lack of strict adherence would make the effective use rate much higher for all forms of birth control.
_____________________________
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RIP, my demon-child 5-16-11
Duchess of Dissent 1
Dont judge me because I sin differently than you.
If you want it sugar coated, dont ask me what i think! It would violate TOS.
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RE: Time to call "Pro Lifers" what they are. ... - 
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