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Cervical resistance in patients with previous spontaneous mid‐trimester abortion
Author(s) -
ANTHONY G. S.,
CALDER A. A.,
MACNAUGHTON M. C.
Publication year - 1982
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1982.tb04662.x
Subject(s) - abortion , medicine , obstetrics , cervical dilatation , gynecology , pregnancy , first trimester , cervix , gestation , genetics , cancer , biology
Summary. The Cervical Resistance Index (CRI) was measured in 20 patients with a history of previous spontaneous midtrimester abortion. The mean CRI was 2.44±0.78 in patients with a history suggestive of cervical incompetence and 4.91±0.41 in 102 patients who were parous women with normal menstrual cycles. This new procedure which is used in the non‐pregnant state provides an additional method for diagnosis of cervical incompetence.