Fertile time: You may have variable libido through your cycle. I'm not sure what the light, dull, cramping, uterine tightness is; but it most likely is related to hormone fluctuations through your monthly cycle. One theory is that women may have a higher libido during their fertile period in order to optimize the chances of achieving a successful pregnancy to perpetuate the species.
Answered 3/16/2013
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A doctor has provided 1 answer
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