"Even more common is a perception that even tho they have feelings about being unhappy with the gender they were assigned at birth"...
should be
"Even more common is a perception that even though they have feelings about being unhappy with the gender they were assigned at birth"...
"Even more common is a perception that even tho they have feelings about being unhappy with the gender they were assigned at birth"... should be "Even more common is a perception that even though they have feelings about being unhappy with the gender they were assigned at birth"...