 [ Symptoms ] do low tech methods such as breast self exam and a doctor is breast exam help detect breast cancer [ Disease ] this is a very interesting question with many different opinions some say you should not have your hair dyed some say you can have highlights placed part of the issue is when you have your hair dyed the chemicals will be more likely to be against your scalp and possibly be absorbed while those who have highlights will not have the chemicals be against the scalp and not be absorbed we typically do not recommend having your hair dyed in the first trimester of pregnancy since this time is the most risky to the fetus this time is called organogenesis where the organs are forming when women ask me about dying their hair i usually ask is it imperative most say it is not and so i say hold off i offer highlights my answers are not necessarily based on solid scientific data it is more based on common sense which says if you do not need to put chemicals on your body during pregnancy you probably should not