The 16th week of pregnancy is the end of the fourth month and the foetus is becoming increasingly mobile. In addition, the nervous system becomes functional and the pressure reflex appears. The sense of touch also develops and the folds of the hands and fingers appear.
The foetus' eyes are still closed, but are mobile from side to side.
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