Objectives We examined the association between incorrect knowledge of ovulation and unintentional pregnancy and child among young women in sub-Saharan Africa countries. Methods Using Pearson's Chi-square, t test, multiple logistic regression, and likelihood ratio test, we analyzed Demographic and Health Survey data (2008-2017) of 169,939 young women (15-24 year). Results The range of prevalence of incorrect knowledge of ovulation was 51% in Comoros and 89.6% in Sao Tome and Principe, while unintentional pregnancy ranged between 9.4% in the Republic of Benin and 59.6% in Namibia. The multivariate result indicates a strong association between incorrect knowledge of ovulation and unintentional pregnancy (OR = 1.17; p \ 0.05) and unintentional child (OR = 1.15; p \ 0.05). Conclusions Adolescent women (15-19) generally have poor knowledge of ovulation and are more likely to report an unintentional pregnancy/child than women between ages 20-24. To reduce the burden of unintentional child/pregnancy in Africa, fertility knowledge should not only be improved on but must consider the sociocultural context of women in different countries that might affect the adoption of such intervention programs. Pragmatic efforts, such as building community support for young women to discuss and share their experiences with professionals and educate them on fertility and sexuality, are essential. Keywords Adolescence Á Reproductive health Á Knowledge of ovulation Á Fertility awareness Á Contraception Á Unintentional pregnancy Á Medical geography Á Africa This article is part of the special issue ''Sexual and reproductive health of young people-Focus Africa''. The Rudolf Geigy Foundation (Basel, Switzerland) funded the open access publication of this article.

Placing conservation easements on private lands could contribute greatly to biodiversity protection in the United States. However, a paucity of data prevents us from knowing to what extent this potential is met. We discuss best practices for baseline documentation reports and biodiversity surveys of properties that could help mitigate this data shortage and contribute to a national database on private land biodiversity. We then examine 49 private properties totaling 3,048 ha in Alabama and tally high priority (i.e., at-risk) species that are recorded within this portfolio of land parcels protected by conservation easements. The number is 116 species in total, or 38 high-priority species per 1,000 ha. Not only is the number of these documented at-risk species per unit area high compared to the number documented from nearby Conecuh National Forest (~38 vs.~5 per 1,000 ha), 92 of the species recorded from the private lands have not been recorded from the much larger Conecuh National Forest (33,993 ha). This emphasizes the opportunity for well-positioned easements to complement and be a valuable addition to large networks of public lands.

This study replicates and extends prior research indicating that individuals with elevated psychopathic traits are better able to identify vulnerability to criminal victimization. Specifically, the current study aims to further assess this finding, examine if criminal experience aids in the assessment in vulnerability to criminal victimization, and determine if the finding generalizes to females and non-Caucasians. Through an online survey, participants (undergraduate students; n = 247) viewed several videos of people walking alone down a hallway and subsequently rated the vulnerability to criminal victimization of the depicted person. Higher levels of psychopathic traits (measured by the Elemental Psychopathy Assessment) correlated with more accurate assessments of vulnerability when males were assessing videos of males of their same race. Prior criminal behavior, however, did not relate to better accuracy, despite its relation to psychopathic traits. Results for females were not consistent with findings for males, indicating the finding may not generalize across gender. The current findings suggest one mechanism that might explain why those with elevated psychopathic traits are more likely to offend is that they are adept at identifying vulnerability. However, this was only true for males of the same race as the “victim.”

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