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Zucker School of Medicine at Hofstra/Northwell
Fetal heart rate;; fetal sex;; first trimester;; newborns;; ultrasound
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Full-Text Articles in Medicine and Health Sciences
First Trimester Fetal Heart Rate As A Predictor Of Newborn Sex, L. A. Bracero, D. J. Seybold, S. Witsberger, L. Rincon, A. Modak, L. V. Baxi
First Trimester Fetal Heart Rate As A Predictor Of Newborn Sex, L. A. Bracero, D. J. Seybold, S. Witsberger, L. Rincon, A. Modak, L. V. Baxi
Journal Articles
OBJECTIVE: To predict the sex of newborns using first trimester fetal heart rate (FHR). METHODS: This was a retrospective review of medical records and ultrasounds performed between 8 and 13 weeks of gestation. Continuous variables were compared using Student's t-tests while categorical variables were compared using Chi-square test. RESULTS: We found no significant differences between 332 (50.7%) female and 323 (49.3%) male FHRs during the first trimester. The mean FHR for female fetuses was 167.0 +/- 9.1 bpm and for male fetuses 167.3 +/- 10.1 bpm (p = 0.62). There was no significant difference in crown rump length between female …