It is the somatic nervous system that transmits information to voluntary muscles and the autonomic nervous system transmits information to involuntary muscles.
It can be, yes. But so is feeling tired, bloated, food tasting odd, your sense of smell has heightened, you feel nauseous, you're moody, and of course, you've missed your period. Every woman is different.
It is D. It makes no sense and it is the obvious answer