Exact(1)
The validity of presentation variables in the BCPDR improved when assessed using a single collapsed 'breech' category (labour position sensitivity 75.8 %, 95 % CI 53.3 91.1%%; labour presentation specificity 98.9 %, 95 % CI 98.1 99.4%%; delivery presentation sensitivity 91.2%%, 95 % CI 82.8 96.4%%; delivery presentation specificity 99.5 %, 95 % CI 98.8 99.8%%).
Similar(59)
Women with known auto-immune disease, a pre-labour Caesarean section, induction of labour, breech presentation or preterm delivery were excluded.
The consideration of normal birth in the MBDS registry is defined as spontaneous onset of labour, cephalic presentation of the foetus and vaginal birth of a single live newborn between 37-40 weeks of gestation without obstetric risk [ 18].
The validity of labour and delivery presentation variables was inconsistent with the highest sensitivity noted for vertex presentation.
15 476 nulliparous women with spontaneous start of labour, single cephalic presentation and gestation ≥37 weeks delivering vaginally between 1999 and 2012.
Despite moderate to severe anaemia at presentation, labour associated blood loss was tolerated well resulting in low peri-partum RBC transfusion rates.
Other causes of obstructed labour include mal-presentation or mal-position of the foetus rendering normal obstetrical mechanics impossible.
Historically, the main reasons given by clinicians for carrying out caesareans, other than having previously had a caesarean, are the relatively undefined concepts of 'fetal distress', 'failure to progress' during labour and breech presentations.
A smaller proportion of the North African HSC group developed gestational diabetes mellitus (GDM), had non-cephalic presentation, induced labour, analgesia use in labour, caesarean section, assisted vaginal birth, or episiotomy.
§ Risk factors not already accounted for, such as fetal presentation, pre-labour rupture of membranes, threatened pre-term labour, intrauterine growth restriction, suspected fetal macrosomia, oligohydramnios or polyhydramnios, and complications in previous pregnancies or births.
and multiparous at term, cephalic presentation, spontaneous labour or with past CD (groups 3 and 5, resp).
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