Ladies/girls please help me ❤️

So, I'm probably going to see my baby on Saturday and have sex, but I'm going to be on my fertile window. It's one of the highest days of percentage for pregnancy. Anyways, I'm not on bc but I was planning on using spermicide and condoms and also pulling out (even with the condom on) before cuming so he can cum outside so if the condom breakes nothing spills even though I have spermicide. Do you think I'll be fine?