TMI! 20w only, is this my plug? 😫

Shiara • Im an 18 year old FTM, engaged to the love of my life, the beautiful man who gave me my perfect little son 😍 15/18/16💙
My SO scared me (he sneezed, dont judge) and i thought i peed a little. So i went to the bathroom and wiped. This is what i saw... Im only 20w today. Is this part of my plug? Im really scared. Please help.. Sorry about the picture but im freaking out..