If not pregnant,: 28 day cycles are the norm. Cycle variation can be from irregular ovulation. May be caused by polycystic ovaries/insulin resistance. Also could thyroid or other issues, see your doctor for testing and evaluation.
Answered 4/5/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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