to evaluate estrogen metabolism in the fetoplacental unit after dehydroepiandrosterone-sulfate ( dhas ) injection to the mother , unconjugated estrone , estradiol , estriol and estetrol in maternal vein ( mv ) , umbilical vein ( uv ) , umbilical artery ( ua ) and amniotic fluid ( af ) were measured after dhas injection .
C0014927
estriol
C0014899
estetrol