During the fourth month of pregnancy, embryo development continues. Fetal weight increases considerably—from 16 g to 100 g. As for the length, a major change occurs, too: it grows from 8 cm to 18 cm.
Read the full article on: What Happens During the 4th Month of Pregnancy? ( 74).
By Elena Izquierdo Trechera M.D., M.Sc. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Rebeca Reus BSc, MSc (embryologist) and Sandra Fernández B.A., M.A. (fertility counselor).
Last Update: 01/04/2023