Seasonal distribution in conceptions achieved by artificial insemination by donor.
نویسندگان
چکیده
منابع مشابه
Seasonal distribution in conceptions achieved by artificial insemination by donor.
The distribution of conceptions after artificial insemination from a donor was studied in 259 conceptions at an artificial insemination clinic and found to be seasonal. Conception was not influenced by the number of donors or patients attending the clinic, the frequency of inseminations, or medical skill. Conception was more common from early winter until early spring (October to March) with a ...
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بیمه گران همیشه بابت خسارات بیمه نامه های تحت پوشش خود نگران بوده و روش هایی را جستجو می کنند که بتوانند داده های خسارات گذشته را با هدف اتخاذ یک تصمیم بهینه مدل بندی نمایند. در این پژوهش توزیع های فیزتایپ در مدل بندی داده های خسارات معرفی شده که شامل استنباط آماری مربوطه و استفاده از الگوریتم em در برآورد پارامترهای توزیع است. در پایان امکان استفاده از این توزیع در مدل بندی داده های گروه بندی ...
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The assumption that secrecy is of paramount importance in AID programmes has arisen in order to protect the three parties involved: donor, recipient couple and offspring. Due to the uncertain legal position, he medical profession has also been concerned to protect itself against possible litigation. Recent calls for an abolition of all secrecy have been motivated by the knowledge and experience...
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ژورنال
عنوان ژورنال: BMJ
سال: 1988
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.297.6659.1309