FIELD: medicine, obstetrics.
SUBSTANCE: one should introduce a flat ring with an opening and a groove along external lateral part into patient's vagina to apply it onto levators and center it against uterine cervix after 14 wk-long pregnancy. The above-mentioned ring should be removed at 38 wk-long pregnancy.
EFFECT: decreased perinatal lethality.
2 dwg, 1 ex
Authors
Dates
2004-10-20—Published
2003-02-05—Filed