even if you are breastfeeding you can still end up pregnant. breastfeeding is not full proof b/c.
you're going to have to wait until your period is due and take an hpt.
Yes there is, however it's extremely unlikely especially if you are breastfeeding.
If you aren't breastfeeding then you should probably take a pregnancy test in 2 or 3 weeks time if your period doesn't arrive.