Hair dying👱🏼‍♀️

Is there any hair dressers on here that can tell me whether it is actually seriously dangerous to dye your hair when pregnant I got told bleaching was fine but I want to go darker as it wouldn't be as hard to keep up with and I'm 38 weeks pregnant so baby will be here soon and I can't keep doing my hair every 6-8 weeks 😂 it's so annoying