It could have been a pregnancy that ended early....or it could be that your HPT isn't working correctly. If you are concerned, consider getting a PT at your doctor's office. Thoughts and prayers your way.
Renee, 43, EDD 03/05/11
It could also be that your cycles haven't gotten completely back to "normal" due to BF.
Robynne mama to Emily (3/26/99), Allison (5/13/02)