Population
48 pregnancies in the first trimester
Design
Cohort
Follow-up
up to 12 weeks of gestation
Authors
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Transvaginal ultrasound and color Doppler can effectively track fetal cardiac development and hemodynamics in the first trimester, allowing inference of normal valve development by 12 weeks.
Transvaginal ultrasound and color Doppler can effectively track fetal cardiac development and hemodynamics in the first trimester, allowing inference of normal valve development by 12 weeks.
Leiva et al. (1999) studied this question.
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