Could PMS be hormonal?

Yes. Generally, it is thought to start about 2 weeks prior to your period. It is a stage when Progesterone levels rise in your body.

Related Questions

Twice this month I've had a single random thump in left side of chest. Once while driving the other while laying down. Could this b hormonal/pms? Age29

No, its your heart. The most likely explanation for such an unusual symptom in your chest is related to your heart. You might have an irregular rhythm and this should be evaluated. Go in to your doctor and have them listen to your heart and explain exactly what happened. This is not related to your cycle. Read more...