8 weeks postpartum.... Clear stringy discharge?

I am 8 weeks postpartum and the past 4 days I have been having clear sticky cm. Looks like egg whites lol. Has this ever happened to any of you? What are the chance of getting pregnant on precum? SO and I had sex 4 days ago when glow said I was super fertile with out a condom on the first half and the other half it was with condom...