Do the folks in your office know that you are a male? Are you in the midst of “living as a woman” in preparation for a sex change surgery? Let us know a little more about your life-style so we can give you some better ideas (and help to keep you safe).
If your co-workers think you are a female, but you are not actually getting a sex change from male to female, you might be setting yourself up for some trouble. If you are actively living your life like a female, for the purpose of getting a sex change operation, you should probably discuss that fact with the Human Resources officer, because if you don’t and you start using the opposite restroom facilities there could be problems (also, if you were to get injured or get sick and need medical assistance, it might be necessary for HR to know that you are currently a male).
Or, on the other hand, if everybody knows that you are a guy, but prefer to wear more feminine or unisex styles of suits, let us know that and we can better advise you. : )