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What is Ideal timing to detect anencephaly is - and explain in detail?
Ans. is B 14-16 weeks o Anencephaly can be detected as early as 10-11 weeks of pregnancy. The ideal time to diagnose anencephaly is 14-16 weeks Diagnosis of fetal malformations o Many structural abnormalities in the fetus can be reliably diagnosed by ultrasound scan, and these can usually be made before 20 weeks. Common examples include; - Hydrocephalus Neural tube defects (anencephaly, myelomeningocele. spina bifida) Duodenal atresia Fetal hydrops Gastroschisis Examphalos o First-trimester ultrasonic soft tissue markers for chromosomal abnormalities such as : The absence of fetal nasal bone An increased fetal nuchal translucency Are now: in common use to enable detection of Down syndrome fetuses. o Earliest anomaly detected by USG is anencephaly # It can be detected at 10-11 weeks when cranium can be visualized ultrasonographically: