Without knowing everything about you, yes there could be an imbaance there. A
GP will only take a blood test which will only give you the
hormone levels that have already been uptaken, not what is bioavailbale in the saliva.
Depression can certainly be caused by hormone imbalance and so can having kids!!!
Let me know how you get on, and if yo need any more info you can visit my website for free info, visit the perimenopause section in th womens health section.