Ttc I need help

My SO and I have decided we are ready to try for a baby. Super excited, but much more stressful than I thought. My sex drive has never been very high so knowing I have to have sex on a certain day had been nerve racking. Like so much is riding on it. Well yesterday I had a high chance on pregnancy and my CM was very excessive and egg white like/stretchy. Meaning I’m ovulating. We had sex last night. What are the chances of conception last night. Today it says I’m at a 33% chance. Should we try tonight too? Thanks for any help I’m super nervous