Cristina López-del Burgo

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Early age at first sexual intercourse is a particularly important variable for public health policy makers. It is associated with specific unhealthy behaviors, such as having unprotected sex on first sexual intercourse, condom misuse or having multiple (concurrent or lifetime) partners (Kaestle, Halpern, Miller, & Ford, 2005; Louie et al., 2009). These can(More)
OBJECTIVES This study intends to evaluate whether the belief that condoms are 100% effective in protecting against HIV infection is associated with sexual risk behaviours among youth. METHODS A cross-sectional study was performed in representative samples of high-school students in the Philippines, El Salvador and Peru. Participants completed a(More)
The common statistical indicator "mean age of first sex" can be misinterpreted by youth to indicate that most of their peers of the same age are sexually initiated, when this is not usually the case. This can jeopardize efforts to delay sexual initiation. University students were randomly assigned to one of two versions of an anonymous survey. They were(More)
The role of alcohol on fertility remains unclear. We aimed to investigate the association between alcohol and specific alcoholic beverages consumption and the risk of difficulty getting pregnant. We used a case-control study nested within the Seguimiento Universidad de Navarra (SUN) cohort, a prospective, dynamic and multipurpose cohort of 21,705 Spanish(More)
BACKGROUND Gestational diabetes mellitus (GDM), defined as any degree of glucose intolerance with onset during pregnancy, is increasing worldwide, mostly because obesity among women of reproductive age is continuously escalating. GDM is associated with adverse maternal and fetal outcomes. The aim of this article was to systematically review literature on(More)
INTRODUCTION Sexually transmitted infections and unplanned pregnancies affect adolescent sexual health and are serious public health concerns. They result from sexual intercourse in adolescence, which is usually associated with multiple partners, unprotected sex, and condom misuse. This behavior is related to socio-ecological factors that influence(More)
BACKGROUND Considering the high percentage of couples in which one or both members are HIV negative, the frequency of transmission among non-regular partners and the probabilities of non-disclosure, attention should be paid to people getting a negative HIV test at the Voluntary Counseling and Testing (VCT). Research has shown that a negative HIV test may be(More)
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