Does a wrong sleeping posture of the mother cause breech presentation?

There is no such thing as a wrong sleeping position for mums to be though best recomended position is on left side as this promotes oxygen supplie to bub. Babies sit in positions they are comfortable in and often change positions numerous times. breech bubs often turn themselves during labour, but there are was to turn a breech bub. Check out different websites using search term 'turning breech babies' and see what comes up.