This article reviews evolutionary biological studies of sex-biased post-natal parental investment that may be relevant to the issue of preconception gender selection. The focus is on tests of the Trivers-Willard hypothesis, which predicts that natural selection has favoured parents that bias investment in favour of the sex with the best reproductive prospects. Because resource abundance and sca...

BACKGROUND The importance of the preconception period and preconception care (PCC) are broadly acknowledged and the potential benefits regarding health promotion have been studied extensively. PCC provides the opportunity to identify, prevent, and treat modifiable and nonmodifiable risk factors to optimize the health of couples trying to become pregnant. The prevalence of modifiable and nonmodi...

Qualitative research whose objective was to understand the social representations of the body by women with alterations caused by leprosy, for nursing care can meet more broadly to your needs. The theoretical framework was the social representations. Forty-three women participated, all of them from a reference unit specialized in sanitary dermatology. Interviews were conducted, which contents w...

This is the issue of successful behavioral interventions and international comparisons that support the need for better primary health care in the United States. Men's preconception care is considered, and the issue rounds out with articles about the radiologic findings of fluid in the mastoid bone, sex of physicians and mortality rates, a diabetes drug review, and, as usual, some informative b...

The prevalence of paternal and maternal genetic conditions that affect pregnancy varies according to many factors that include parental age, medical history, and family history. Although some genetic conditions that affect pregnancy are identified easily early in life, other conditions are not and may require additional diagnostic testing. A complete 3-generation family medical history that inc...

Establishment, progressive development, expansion and organization of Cuba's National Comprehensive Diabetes and Pregnancy Program is described, including changes in related health services since 1959. Currently implemented throughout the country, the Program is supervised by a working group and addresses diabetic women's reproductive health and care during pregnancy. The importance of preconce...