<p>Single live intrauterine fetus is seen actively changing position with good cardiac activity. There is prominence of the eye balls with loss of cranial vault and brain volume giving the so called frog eye appearance of anencephaly.</p><p>Placenta is posterior on the body on the upper uterine body.</p><p>There is increased in Amniotic fluid volume and shows dense low level internal mobile echoes.</p><p>FL = 41.72mm</p><p>GA= 23weeks + 4 days&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p><p>EDD= 29/01/2022</p><p>Internal os is closed</p><p>Both adnexa are free.&nbsp;</p><p><strong>Conclusion - Single viable cyesis at about 24weeks GA with anencephaly and &nbsp;polyhydramnios&nbsp;</strong></p><p>&nbsp;</p>