Pregnant moms find out what is going on with your pregnancy each day. JustMommies pregnancy calendar is a daily pregnancy calendar. Find out what is going on with your baby during your pregnancy and what changes to expect in mom during pregnancy. Our pregnancy calendar will give you details on your baby's development and what is happening to mom during her pregnancy. Justmommies calendar is based on a 40 week pregnancy and is in a week by week format. Just enter your due date below to create your pregnancy calendar.