Can pms/monthly cycle have an effect on a woman's digestive system. b/c for about a week no matter what i eat get stomach cramps &/ have diarrhea.

PMS: Irritability, tension, dysphoria (unhappiness) occur with emotional and non-specific symptoms including stress, anxiety, insomnia, headache, fatigue, mood swings, emotional sensitivity, and changes in libido. Physical symptoms include bloating, abdominal cramps, constipation, swelling or tenderness in the breasts, cyclic acne and joint or muscle pain.