Hi, I'm new here. I know that Crohn's can cause delayed puberty in adolescence. I am 20 years old and I am very thin and flat as a board. I have basically no breast development and my periods are really screwed up. My mom got hers when she was 12. I know that you are. Is usually based off of the women in your family like your mother. I feel like I never developed properly because I have always been malnourished, Especially when I should have been going through puberty. Does anyone else have this problem? And is there anything I can do about it at this point? thank you for any and all answers and advice