My baby is breech I'm 28 1/2 weeks pregnant, this is my second baby... Is this normal... will he turn?

My baby is actually laying sideways! She has been breech, diagonal, or sideways the whole time. I worry about it all the time, but my doctor doesn't seem concerned at all. She says there's plenty of room and plenty of time. I guess she knows better than me since she's the doctor, so I stopped worrying.