What are the odds?

Tatyana

I’m currently exclusively breastfeeding my 4 month old and I’m also on the mini pill which I take religiously at the same time daily. My husband and I have unprotected sex and he does finish in me (TMI sorry). What are the odds I could be/get pregnant? I have been having some intense early pregnancy symptoms lately and I hear the mini pill isn’t 100% effective. I had light spotting one day two weeks ago(no period post delivery yet) I’ve been nauseous, irritable, and sooo tired. It’s hard to tell what’s normal new mom symptoms and what could be pregnancy symptoms. We are not looking start trying anytime soon for another baby. HELP