tight clothing

I am nearly 7 weeks and the bloat is real. Today my co worker saw my tights sort of digging into my tummy (she knows I'm pregnant) and advised I wear more lose fitting trousers/tights etc and not wear them over my tummy she said it as if it would harm the baby in anyway... does anyone know if wearing tight clothing effects the baby in anyway? (Tights are the only thing fitting at the moment, I will move to leggings lol) 
Just curious