title: The frequency of uterine contractions in abruptio placentae.
abstract: The frequency of uterine contractions was studied in 37 patients with severe abruptio placentae. They ranged from 3 to 16 per 10 minutes, with a mean of 7,86. When frequency of contraction was correlated with haematological and clinical data, a slight negative correlation was found between the frequency and haemoglobin and haematocrit values. In patients with intra-uterine fetal death, the mean frequency was 8,85 as opposed to 5,55 when the infant was born alive. This difference is statistically significant. The possible role of these abnormal contractions is causing intra-uterine death is discussed.
mesh_terms: D000037:Abruptio Placentae / Q000097:blood / Q000503:physiopathology*; D000293:Adolescent; D000328:Adult; D005260:Female; D005313:Fetal Death / Q000503:physiopathology; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D011247:Pregnancy; D014590:Uterine Contraction
chemical_list: D006454:Hemoglobins