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), Silvia Azaña Gutiérrez 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
