The answer is D. Muscles tense.
Vertex presentations mean the fetus is head-down in the birth canal. The fetus' head is presenting first.
<span>If you are working on reducing stress, the first step that should be taken is to identify the causes of the stress. The correct option is A. Identifying the causes of stress will enable one to determine how to go about combating the stress and how to avoid the stress in future.</span>
Eat nutritious meals, I hope this helped.
