Denton Chiropractic Center interview questions

One of the male Chiropractor's asked me if I was or was planning on becoming pregnant (illegal to ask). What medications I was currently taking (illegal to ask). What my Mother does for a living (not illegal, but just weird to ask). Also said to me "there seems to be a delay in your answers" (i.e. I was slow), told him I was trying to think about my answers before I blurted them out since this was an interview... Sorry I was taking up too much of your precious time!