Accuracy of prenatal culture in predicting intrapartum group B streptococcus colonization status.

Objective: To evaluate the positive predictive value (PPV) of group B Streptococcus (GBS) cultures at 35-37 weeks of gestation relative to GBS colonization status at delivery.

Methods: Rectovaginal swabs from 221 women at labor in four Lisbon hospitals were collected for GBS screening according to the CDC guidelines.

Results: The PPV was 24.

Anti-Helicobacter pylori activity of Terminalia macroptera root.

The root of Terminalia macroptera Guill. & Perr. (Combretaceae) is widely used in African traditional medicine to treat various infectious diseases, including stomach-associated diseases.

Genital infection by Chlamydia trachomatis in Lisbon: prevalence and risk markers.

Background: There is little information about the prevalence and risk markers for Chlamydia trachomatis infections in Portugal.

Objectives: Our aim was to assess the prevalence of C. trachomatis genital infection and to study variables associated with this infection in a group of sexually active women aged < or =30 years living in the Lisbon area and to estimate the prevalence of C.