Fitness HealthDouble Marker Test- When It Is Done And What It’s Results MeanthehealthcareguardianMarch 27, 2021March 27, 2021 by thehealthcareguardianMarch 27, 2021March 27, 20210275 Performing Biochemical Studies a Double Marker Test of the First Trimester, it is possible to establish the probability that the fetus presents some genetic affection....