Irregular periods are when a girl or woman does not get a period about every 4—5 weeks. You may also develop nausea during your periods. Think food pyramid and include all food groups, and focus on lean protein, fresh vegetables and fruits. Fibromyalgia is a debilitating condition causing widespread aches and pains plus sleep disturbance. For Teen girl belly bloated with period more detailed outline of the seven day plan, click the link below and look into creating your own food diary.