The influence of cervical dilatation by laminaria tent and with Hegar dilators on the intrauterine microflora and the rate of postabortal pelvic inflammatory disease.
In a prospective study, 519 women were randomly selected for cervical dilatation by laminaria tents or Hegar dilators before scheduled vacuum aspiration. In other 68 women randomly divided into a laminaria group and a control (Hegar) group, placenta, decidua and blood were separately aspirated from the uterine cavity before the vacuum aspiration and cultured for micro-organisms. The rate of postabortal inflammatory disease (PID) was significantly lower after pretreatment with laminaria tent irrespective of patient's age and parity. However, a higher risk of postabortal PID was found in gestational age of 10-12 weeks than of 5-9 weeks. Previous PID and abortion did not increase the risk of postabortal PID. Vaginal/cervical micro-organisms were, irrespective of method for cervical dilatation, identified in two thirds of the patients.
Jonasson
A
A
Department of Obstetrics and Gynecology, Huddinge University Hospital, Sweden.
Larsson
B
B
Bygdeman
S
S
Forsum
U
U
D000028:Abortion, Induced / Q000009:adverse effects*; D000328:Adult; D002584:Cervix Uteri / Q000382:microbiology*; D004106:Dilatation / Q000295:instrumentation; D005260:Female; D005865:Gestational Age; D006801:Humans; D007795:Laminaria; D010298:Parity; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology* / Q000382:microbiology; D011247:Pregnancy; D011446:Prospective Studies; D012307:Risk Factors; D014599:Uterus / Q000382:microbiology*; D014619:Vacuum Curettage