#6 Bloating
Image Source: Madeleine Burleson
A bit of bloating may be normal just prior to period time, but this is another case where the body throws a bit of a curve ball, and bloating may actually be due to pregnancy. You can usually count on per-menstrual bloating to subside when your period starts, but pregnancy-related bloating does not go away, and is caused by the slowing of the digestive system due to increased levels of progesterone.
