Yes: During the menstrual flow with or without cramping the cervical opening is slightly dilated at that time except in patients with cervical stenosis(blockage) and blood then "backs up" into the uterus with severe cramping.To allow blood extrusion.
Answered 2/5/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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