My chilean rose taranchula molting help?

Okay so i have had my Chilean rose taranchula for about 3 weeks know and well the recent owner said that she has had the t for about 9 month and she also said that it was \ girl and it was also only a very young t when she got it but what i dont understand is she said that she has never seen it molt and also i dont know if this has affected it but one of her children were holding it once and well it scared her so she dropped it and know it only has 7 legs and well i looked it up online i i found out some information about them and well its has a bold spot on its abdermin (sorry for bad spelling) and has since i got it and also it has just recently stoped eatng so i dont know why hasnt it molted yet also if theis helps it keeps trying to escape please help me thanks