Im rEally trying

Me and my mate did it today my percentage of get pregnant today was 25.7 when Tom shows my percentage being at 32.7 which is the highest but I can't do it tomorrow because my mate left to go out of town for work, I mean is it true that the say a male sperm stays in your for 3 or 2 days.... can someone plz help me, I'm feeling hopeless. Can someone be kind and throw me some baby dust my way... 😔😟😔😟