The definition of mentor is “an experienced and trusted adviser”. In other words, it’s someone that can support you to get from where you are, to where you want to be. There are many benefits to finding the perfect mentor, and women mentoring women can be a very powerful alliance.
There seems to be a silent rule of keeping pregnancies on the hush until the second trimester however if you're unwell or simply want to share the news - just do it! Confiding in your boss can take the pressure off hiding in the toilet or battling nausea during work.