The measurement of the uterine height is usually performed from the 20th week of gestation. The most common is that the height of the uterus corresponds to the week of pregnancy in which the woman is. That is why the uterine height in the 21st week of pregnancy would be about 21 cm approximately.
Read the full article on: What should be considered in the 21st week of pregnancy? ( 55).

Marta Barranquero Gómez
B.Sc., M.Sc.
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).
License: 3316-CV