[Effectiveness of the vagino-rectal exudate self-sampling for prenatal screening of Streptococcus agalactiae infection. GALL study].

Objetive: To evaluate the effectiveness of vagino-rectal swab autotomy for prenatal screening for GBS infection and to identify the barriers and facilitators encountered by the pregnant woman for this intervention.

Design: Cross-sectional study of diagnostic tests.

Participants And Site: A total of 213 pregnant women who attended the primary care midwife's office in 6 health centers of the Basque Health Service/Osakidetza in Bizkaia, who met the inclusion criteria and agreed to participate in the study, participated in the study.