AFP (produced by the fetal yolk sac) and β-HCG (secreted by placental trophoblastic tissue) are glycoproteins that may be elevated in patients with germinomas.

Age, serum AFP levels, maximum tumor diameter, and ultrasound blood flow signals are key predictive factors for testicular yolk sac tumors in children. A nomogram incorporating these factors can ...

The yolk sac plays an important part in the early stages of pregnancy. Find out what it does and how it works.

Higher levels of AFP in your blood can help doctors catch liver problems and some cancers. Find out what the results may mean.

This study in Scientific Reports reveals that maternal physical activity impacts yolk sac development in early pregnancy, with effects varying based on gestational age and the sex of the embryo ...

New study describes organ function crossover in the human yolk sac and presents a new rapid pathway for immune cell differentiation.

What is alpha-fetoprotein? AFP is a glycoprotein found in the plasma of pregnant women, produced by the fetal tissues, specifically the yolk sac and the fetal liver.