And there is a risk of deflation, which can cause long-term economic contraction.

There is concern that it might cause early contractions and miscarriage.

Even this far under the surface, some of the heat must seep down enough to cause expansion and contraction.

That action, repeated countless times across a muscle, is what causes contraction.

Electrical stimulation over this region causes contraction of various arm muscles.

It's the same hormone that causes contractions during labor.

A smooth muscle is excited by external stimuli, which causes contraction.

Some developing research suggests that peony can cause uterine contractions.

This causes myometrial contraction and further positive feedback on the reflex.

Prolonged muscular action causes sudden, powerful, and painful contractions of muscle groups.