Skewed fetal gender distribution in prolonged pregnancy: a fallacy with consequences

Fetal gender and pregnancy outcomes in Libya: a retrospective study

OBJECTIVE The relationship between pregnancy outcomes and fetal gender is well reported from different areas in the world, but not from Africa. In this study, we try to understand whether the recorded phenomenon of association of adverse pregnancy outcomes with a male fetus applies to our population. MATERIALS AND METHODS A total of 29,140 patient records from 2009 and 2010 were retrieved fro...

A skewed truncated t distribution

Skewed symmetric distributions have attracted a great deal of attention in the last few years. One of them, the skewed t distribution suffers from limited applicability because of the lack of finite moments. This note proposes an alternative to the skewed t distribution, which we refer to as skewed truncated t distribution. It is defined by the pdf f(z) = 2g(x)G(Ax), where g(.) and G(.) are tak...

The fallacy of the ecological fallacy: the potential misuse of a concept and the consequences.

Ecological studies have been evaluated in epidemiological contexts in terms of the "ecological fallacy." Although the empirical evidence for a lack of comparability between correlations derived from ecological- and individual-level analyses is compelling, the conceptual meaning of the ecological fallacy remains problematic. This paper argues that issues in cross-level inference can be usefully ...

HYPITAT and the fallacy of pregnancy interruption.

Intrauterine Fetal Death (IUFD) in Extra Uterus and Subsequent Pregnancy in Main Uterus: A Case Report

Abortion in an attached rndimentary uterine horn, followed by a normal intrauterine pregnancy.  Pregnancy in an rudimentary uterus has been occured in many forms, and up to now about 350 cases have been reported in medical journals. Most of these malforma­tions accompanied with other malformations in urinary tract.  A case of pregnancy and abortion in an attached rudi­mentary uterine horn is ...