What Are The Chances Of Getting Pregnant After Oral And Non-penetrative Sex?

Hello, My boyfriend and I had oral sex, he only pre-cum and after a while we kissed and then used our hands. I rubbed him and after about 20 min touched my area. He also gave me oral sex after I kissed him and don t know if any sperm from the pre-cum could have been present. There was no insertion at all. Can I get pregnant from that?