Why the study?
Does pulsed ultrasound reliably detect fetal heart movement in early pregnancy?
Does pulsed ultrasound reliably detect fetal heart movement in early pregnancy?
Pulsed ultrasound via an abdominal approach can reliably detect fetal heart movement from the 48th day of pregnancy without false results.
Should not yet change clinical practice; leaves open need for prospective validation in larger cohorts.
A method is reported by which the presence or absence of fetal heart movement may be reliably detected by an abdominal approach from the 48th day of pregnancy onwards (menstrual age). The technique involves the use of commercially available diagnostic sonar apparatus using two display and time position modes in combination. A series of 106 examinations on 56 patients in early pregnancy is presented in which there were no false results.
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Hugh P. Robinson (1972) studied this question.
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