Unsafe yoga positions for second trimester?

clairekerzner asked: I suck at yoga, but I’ve started taking a pregnancy yoga class to keep fit. I’m 20 weeks pregnant at the moment. The instructor is very experienced (and also the only one in our small town) but I’m doubting some of the things she’s getting us to do.
My main worry is that she [...]

Do prenatal yoga teachers have to be certified?

Chris B asked: I was just told by someone that the instructor for my wifes prenatal yoga class is not certified. I know yoga instructors have different certifications, and I want my wife to be instructed by someone who is trained properly.