Pregnancy is a wonderful time to begin journaling; it's a time when your emotions  run deep and yet are close to the surface. Every day is a new experience. While your physical body is changing , your inner self takes on a new dimension. Fear, dread, uncertainty, excitement, intense joy '- you might feel all of these emotions in the same instant.
Read more here- http://www.ivillage.com/journaling-pregnancy/6-a-129168 
I really love the idea of keeping a journal during your pregnancy. Especially since emotions can be very high when you are pregnant, it seems like a good way to sort your thoughts and feelings. Anyone giving this a try?