Key result
Combined ultrasonic B-scan and Doppler detects fetal heart activity with 100% certainty at eight weeks.
Why the study?
Does combined ultrasonic B-scan and Doppler examination detect fetal heart activity in pregnant women at 5 to 11 weeks gestation?
Observational (n=99)
Does combined ultrasonic B-scan and Doppler examination detect fetal heart activity in pregnant women at 5 to 11 weeks gestation?
Combined B-scan and Doppler ultrasound is an effective method for detecting fetal heart activity as early as 8 weeks of pregnancy.
No takes yet. Share an insight, caveat, or question.
May support early viability confirmation at 8 weeks; cross-sectional data leaves open prospective validation before clinical adoption.
O Piiroinen (1974) conducted an observational in Early pregnancy (n=99). Combined ultrasonic B-scan and Doppler method was evaluated on Detection of fetal heart activity at eight weeks of pregnancy. A combined ultrasonic B-scan and Doppler method detected fetal heart activity with 100% certainty at eight weeks of pregnancy.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: