This chart shows clearly how do weeks, months, and trimesters of pregnancy line up with each other.
As one shall see, the first trimester includes months 1 to 3 of pregnancy, while the second trimester includes part of month 3 until month 6. Finally, the third trimester is the final stage of pregnancy, which includes months 6 to 10.
Read the full article on: Pregnancy Stages by Month – Fetal Development with Pictures ( 79).
By Andrea Rodrigo B.Sc., M.Sc. (embryologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Silvia Jiménez Bravo B.Sc., Ph.D. (senior clinical embryologist), Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist) and Marie Tusseau (invitra staff).
Last Update: 10/30/2017
