The combined screening of the first trimester of pregnancy consists of a prenatal study that determines the risk of the embryo having a chromosomal alteration. To perform this study it is necessary to take a sample of maternal blood where it will be analyzed:
- The placental protein associated with pregnancy: PAPP-A.
- The beta-hCG hormone.
In addition to the analysis of these parameters, the first trimester screening includes an ultrasound to measure the nuchal translucenc
Read the full article on: Week 9 of pregnancy: how are the embryo and mother doing? ( 66).
By Laura García de Miguel M.D., M.Sc. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 09/11/2023
