Ultrasound examinations accurately predict fetal gender, particularly as gestational age and crown-rump length increase through the first and second trimesters.
Evidence for · 4
First‐trimester determination of fetal gender by ultrasound
1999 · cited by 148
Demonstrates that ultrasound accuracy for fetal gender prediction increases significantly with gestation, reaching up to 100% by 13 weeks.
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More for · 3
First trimester determination of fetal gender by ultrasound
2001 · cited by 119
Confirms that fetal gender can be reliably identified via ultrasound between 11 and 13 weeks of gestation with increasing accuracy over time.
Fetal gender assignment by first‐trimester ultrasound
2006 · cited by 107
Shows high accuracy for prenatal gender assignment using the genital tubercle angle at 12 to 14 weeks.
Accuracy of fetal sex determination on ultrasound examination in the first trimester of pregnancy
2015 · cited by 28
Finds that fetal sex can be accurately determined via transabdominal ultrasound in the first trimester, with accuracy heavily dependent on gestational age and crown-rump length.