Analysis on the detection of Streptococcus agalactiae among women of childbearing age from 2015 to 2018 in Huizhou

Objective To analyze detection status of Streptococcus agalactiae (Group B Streptococcus,GBS) women of childbearing age at the Women-Children Care and Family Planning Service Center of Huizhou and to provide references for the GBS screening among women in late pregnancy in Huizhou.Methods Retrospective investigate of specimens results from patients at the Women-Children Care and Family Planning Service Center of Huizhou during the period from January 1,2015 to December 31,2018.The detection and distribution of GBS were analyzed.Results A total of 525 strains of GBS were isolated from 48228 specimens during January 2015 to December 2018. A total of 487 strains of GBS were isolated from specimens of women of childbearing age And the specimens mainly included cervical secretion (88. 91%),vaginal secretion (6. 98%) and amniotic fluid (2. 05%). Among the bacterial pathogens detected in the three specimens,GBS accounted for 20. 16%,10. 73% and 29. 41% respectively,which were in the top three. The detection rate of GBS in reproductive system specimens of women of childbearing age in Huizhou was 3. 9 %,and there was no significant difference between different years. GBS-positive specimens of women of childbearing age in Huizhou were mainly concentrated in the age groups of 21-30 and 31-40,accounting for 65. 41 % and 28. 51 %,respectively. However,there is no age difference in the probability of reproductive system infection caused by GBS in women of childbearing age. The detection rates of GBS in reproductive system specimens were 3. 81 % in cervical secretions,4. 81 % in vaginal secretions,and 7. 19 % in amniotic fluid. There was no significant difference in the detection rate of GBS among the three specimens.Conclusion GBS is one of the main pathogens causing reproductive system infections to women at Child-bearing age in Huizhou. The detection rate of GBS does not change from year to year.,and there was no significant age difference in the probability of GBS causing reproductive system infection in women of childbearing age. Because of its adverse effect on the outcome of the pregnancy,GBS screening in late pregnant women should be paid great attention to.