Examlex
The Wilcoxon rank sum test (Mann-Whitney test) utilizes the ranks of two independent samples.
Labor
The process of childbirth, starting from the onset of contractions to the delivery of the baby and placenta.
Dilation
The process of widening, stretching, or expanding.
Fetal Heartbeat
The heart rate of a fetus, which can typically be detected by ultrasound as early as 5-6 weeks of pregnancy.
Stethoscope
A medical instrument for listening to the action of someone's heart or breathing.
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