Eggs per gram (eggs/g) is a laboratory test that determines the number of eggs per gram of feces in patients suspected of having a parasitological infection, such as schistosomiasis. Eggs per gram (eggs/g) is a laboratory test that determines the number of eggs per gram of feces in patients suspected of having a parasitological infection, such as schistosomiasis. Measuring the number of eggs per gram is the primary diagnostic method for schistosomiasis, as opposed to a blood test. Eggs per gram or another analyse like larvae per gram of faeces is one of the most important experiments that is done in parasitology labs.