[sera300]

Empirical data can be based on the number of observations asserted by the person performing the study. As you are aware, drug studies (the ones released by the manufactures) are performed in the perfect world where there is no error.

The WHO (World Health Organization) includes data relevant to all populations and as you can see may users log in from remote sites such as India. Therefore, the relevance of her material is what I have adapted for counseling patients since it's more realistic in my medical opinion. I'd prefer to tell some women there is a 8% failure rate v. 2% and be too conservative.

I used to follow the tables as you are reading but as you know different researchers have different numbers. Geography & education plays a large part in the outcome as does culture & Socio-economic conditions; hence, the reason my study on a subject a topic such as "child abuse" may not correlate with national standards. Looking at the client base, I prefer the margin of errors which she has stated.

Many times I end up dealing with the "errors" due to lack of Gyn availability and I did ask her at one point prior to instituting the change in info. the sources. If you read data from other fertility based scholarly articles you will see they give higher stats! If I find the thread I post it for you.