This study sonographically evaluates the fetal heart rate throughout gestation and the baby's sex at birth to determine if the fetal heart rate is an indicator of the baby's sex. The results of the evaluation of 365 cases indicates that the fetal heart rate is not an accurate indicator of fetal sex.
5. Devoe LD, Searle N, Castillo RA, et al: Fetal biophysical testing: the effects of prolonged maternal fasting and the oral glucose tolerance test. I Reprod Med1987;32(8): 563-568.
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6. Cleveland WS: The elements of graphing data. Monterey, CA: Wadsworth Advanced Books and Software, 1985;7: 169-179.
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7. Moore KL: The developing human. 3rd Ed.Philadelphia, PA: W.B. Saunders, 1982;318-318.