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Normal levels of active contraction area in spontaneous labour
Author(s) -
STEER P. J.,
CARTER M. C.,
BEARD R. W.
Publication year - 1984
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.1471-0528.1984.tb04755.x
Subject(s) - contraction (grammar) , cervical dilatation , uterine contraction , medicine , cervix , uterus , cancer
Summary. A detailed study has been made of uterine activity in a group of 21 unselected women in spontaneous labour. Measurements were made of contraction frequency, active pressure, Montevideo units and active contraction area. The level of Montevideo units were comparable with ‐values previously reported in spontaneous labour. Active contraction area correlated better than any of the other measures with the rate of cervical dilatation in the active phase of labour ( r = 0.69). The mean contractionarea was 1099 (SD 333) kPas/15 min.