Has anyone with an anterior placenta had variable decelerations on their NST? I had my first NST for this pregnancy today, and he showed a couple decelerations so I have to go back Friday for more monitoring because of this.

My question is, does the anterior placenta CAUSE a deceleration to appear? Baby boy is breech and my placenta definitely blocks his heart rate (they took forever to find a good spot to monitor and occasionally had to adjust it as he moved).