FETAL SEX DETERMINATION BY ULTRASOUND

  • 1 January 1977
    • journal article
    • research article
    • Vol. 50  (4) , 462-466
Abstract
Real time ultrasonographic examination of the fetal perineal area after 30 wk of gestation could reveal the external genitalia of the male fetus. The absence of this finding indicated a female fetus. This assessment was possible in up to 2/3 of the cases, being limited only by the fetal presentation, position, and the estimated volume of amniotic fluid. Using this technique, fetal sexing was accomplished in 366 cases with an overall accuracy rate of 95.6% (correct in 99.5% of those diagnosed as males and in 91.5% of those diagnosed as females).

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