If the doctor took a sample of the amniotic fluid he could tell. Because there is DNA in the amniotic fluid. But someone can usually guess at 16 weeks on an ultrasound and 20 weeks a person can usually tell for sure. kittenbrower Â· 9 years ago.
1 Pupusas Revueltas have a filling made of a mixture of cheese, chicharrones and refried beans. 2  Pupusas de Queso y Loroco have a filling made of a cheese and tropical vine flower (Loroco).
Queso Blanco is a Mexican soft, unaged fresh cheese made out of pure cowâs milk or a combination of cow and goatâs milk. The term âqueso blancoâ in Spanish means, âwhite cheeseâ but similar cheeses have their own names in different regions.