The 4th month of pregnancy covers weeks 13, 14, 15, and 16 of pregnancy.
Fetal development continues, growing from 8 cm to 18 cm by the end of the month. Moreover, your baby weight will be 100 g.
By Elena Izquierdo Trechera MD, MSc (gynecologist), Rebeca Reus BSc, MSc (embryologist) and Sandra Fernández BA, MA (fertility counselor).
Last Update: 11/14/2018