Looking for thoughts

Alyssa

I have an iud, but have been thinking about starting to try for a second for a while my son is 10 months old idk if that makes a difference, last week I had some questionable discharge that was not normal for me the day after me and my fiancé had sex (on the 15th) I also have other pregnancy signs like moodiness, sore boobs, frequent urination, mild cramping I’ve taken a few tests all negative so far now yesterday and today I’ve had the most mild bleeding yesterday bright red today almost brown pretty much only when I wipe I haven’t been tracking my cycle but the discharge and mild bleeding are not normal for me. Is there a chance I’m pregnant or just crazy?