Yes, although it is most common to have the ultrasound done in week 12 or earlier for the triple screening test, it could also be done in week 13 of pregnancy.
Read the full article on: 13th week of pregnancy: end of first trimester ( 70).
Zaira Salvador
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV