ALPHA-FETOPROTEIN. AFP was first recognized as a fetal-specific globulin in 1956. It is synthesized in the yolk sac, gastrointestinal tract and liver of the fetus. Fetal plasma levels peak at 10 to 13 weeks' gestation and decline progressively until term, 7 while maternal levels peak in the third trimester.2 Laboratory measurements of AFP levels are reported as multiples of the median (MOM).etal plasma levels peak at 10 to 13 weeks' gestation and decline progressively until term, 7 while maternal levels peak in the third trimester. 2 Laboratory measurements of AFP levels are reported as multiples of the median (MOM).
Minority population growing in the United States, census estimates show. Minorities now make up about 35% of the country's population, and about 57% of the population in California. Meanwhile, the white population continues to decline.
Young people in the United States reflect the increasing diversity of American society, as. racial and ethnic minority groups continue to expand. Latinos and African Americans. account for 20% and 16% of adolescents aged 10 to 19, compared to 18% and 15% of.