A trained technique for placental delivery using traction on the umbilical cord with counterpressure supporting the uterus, under appropriate third-stage conditions.
The mother's first perception of fetal movement; a symptom rather than an independent examiner's demonstration.
Rebound felt after displacement of a mobile object in fluid. In a suitable obstetric setting it is a probable sign of pregnancy, not by itself proof of a living fetus.
A pregnancy implanted outside the normal endometrial cavity; tubal rupture can cause severe internal haemorrhage.
A dating measure conventionally reckoned from the first day of the last menstruation, rather than directly from observed fertilization.
Abnormal adherence of the placenta to, or invasion into, the myometrium, associated with deficiency of the normal intervening decidua. Attempted forced separation may cause severe haemorrhage.
Failure to deliver the placenta after childbirth, through failure of separation, entrapment after separation, or abnormal attachment. Treatment depends on the mechanism and on haemorrhage.
Fetal vessels in the membranes pass near or across the internal cervical opening without normal protection; rupture can rapidly cause fetal blood loss.
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