2nd trimester log

Katy • 16/06/2016 MarcieTallulahRobyn ❤️ 19/10/18 OpheliaDarwyn and AuroraBardot ❤️❤️
So my daily log has changed now I'm in my second trimester.. Yay! But in 'unusual symptoms' it lists 'itching' and 'pelvic pressure' ..
What do they mean? And why are they listed as unusual?