[Umbilical cord AFP values in twins (author's transl)]

Area of Science:

• Biochemistry
• Maternal-Fetal Medicine
• Genetics

Background:

• Alpha-fetoprotein (AFP) is a protein crucial for fetal development.
• Accurate assessment of gestational age is vital for optimal perinatal care.
• Twin gestations present unique physiological considerations compared to singleton births.

Purpose of the Study:

• To compare alpha-fetoprotein (AFP) concentrations in umbilical cord blood between twin gestations and singleton births.
• To investigate potential differences in AFP levels between fraternal and identical twins.
• To evaluate the utility of AFP as a marker for estimating gestational maturity in twins.

Main Methods:

• Radioimmunological analysis was employed to quantify AFP levels.
• Umbilical cord blood samples were collected from singleton births and twin gestations (fraternal and identical).
• Statistical comparisons were performed to analyze differences in AFP concentrations.

Main Results:

• A significant difference in mean AFP concentration was observed between fraternal and identical twins.
• The mean AFP concentration was higher in fraternal twins compared to identical twins.
• A correlation between AFP levels and gestational age was noted, suggesting its potential for maturity estimation.

Conclusions:

• Umbilical cord AFP levels vary significantly between different types of twin gestations.
• Genetic factors may influence AFP concentration in twin pregnancies.
• AFP measurement in umbilical cord blood shows promise for estimating gestational maturity in twins.