10 weeks pp and pregnancy symptoms ?

I don’t know if I’m going crazy but I’ve been having pregnancy symptoms for the last week. On and off nausea. Fatigue. Heart burn. Dry skin.

What are the chances of falling pregnant ?

I’ve only had sex twice and both times with a condom, and I’m also breastfeeding.

I am going to the shops tomorrow so I will get a pregnancy test. I really hope I’m not, I had antenatal depression and really am not ready to go through that again 😔