Mucus plug? Help!

Savanah

Okay so I am going to be 29 weeks Sunday with my 2nd daughter. The last few weeks if I walk a lot or am active for long periods of time I experience a lot of pressure in my vagina area. It makes me feel like I need to waddle and hold my vagina like it’s gonna fall out. Once I sit and relax a while it goes away though. It’s weird lol. A few hours ago I went to the bathroom and when I wiped I noticed I had this thick stringy mucus. I questioned it but let it go. Then I went to the bathroom about 20 minutes ago and I took this picture. The first time when I noticed it and let it go it was a lot more than this time. There is no blood in it. Nothing crazy. I am not experiencing any type of contractions. Nothing out of the ordinary. Besides me and my husband just had sex and it was VERY sensitive. I didn’t even want him to fully put it in bc it was so sensitive. What are y’all opinions?