Snow storm appearance on USG is seen in:
Hydatidiform mole
Ectopic pregnancy
Anencephaly
None of the above
The ultrasound appearance is diagnostic described as snow storm appearance.It may also show the presence of theca lutein cyst in the ovaries .In paial mole ultrasound may show a foetus.Helps in early diagnosis of molar pregnancy (refer pgno:170 sheila textbook of obstetrics 2 nd edition)
General obstetrics