There is nothing unethical about birth control.  That is simply your opinion.  So most dr.s and nurses judge by facts regarding the women's health and there are women who need the pill for reasons having nothing to do with birth control.  This is something I would think any dr. would know.  I would suggest not telling people you are a dr. to qualify your comments.  Everyone on here knows that people state they are all sorts of things they are not and telling people you are a dr. only makes people believe you less.  This is especially true when you are a dr. who is spouting morality as though it were medical fact.