Ttc what is this? TMI alert!!!!

Analisa
So I went to the bathroom and found this when I wiped. What does this mean. My husband swears im prego but we have been trying for over 3 years now so of course I have my doubts. Can anyone plz tell me what this is? Next period is due jan 15 or 16 n according to glow my fertile window starts literally a day or 2 after my period ends.