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1. 胎児不整脈fetal arrhythmias [show details]
…determination of the fetal heart rate (FHR) is performed at each prenatal visit, and at least one fetal ultrasound examination is performed during pregnancy. All standard second and third trimester fetal ultrasound …
2. 赤血球の子宮内胎児輸血intrauterine fetal transfusion of red cells [show details]
… of a higher risk of severe complications, including fetal death . Gestational age and fetal ascites are other considerations. IVT early in the second trimester (<22 weeks) is technically challenging, particularly …
3. 胎児異数性に関連する超音波所見sonographic findings associated with fetal aneuploidy [show details]
…may lead to unnecessary invasive fetal testing. Such testing may result in procedure-related loss of a normal fetus and is costly. Fetal soft markers of aneuploidy on second trimester ultrasound examination …
4. 妊娠期間、出産予定日、胎児体重の推定prenatal assessment of gestational age date of delivery and fetal weight [show details]
… in the second trimester suggest a skeletal dysplasia or early-onset fetal growth restriction . The AC appears to have a slightly lower ability to predict gestational age early in the second trimester …
5. 胎児のエコー源性腸管fetal echogenic bowel [show details]
… findings . If fetal size and amniotic fluid are normal in the second trimester, some experts recommend an ultrasound examination at approximately 32 weeks to reevaluate fetal growth and the fetal bowel since …