Any ways to preserve period reg. lacking bc?

my husband and i are ttc but my periods have been anywhere from 20-28 days. ive be tracking them to see when ill ovulate but i think its been rotten since its been varing each month. how can i get it to be more regular short bc?
Answers:    If you are overweight losing weight does help with menstrual regularity. The same go for if you're underweight. Source(s): I'm an RN.

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