On the topic of symptoms, it's a biggie! What are your thoughts love to know!

Every month half way through my cycle I get a surge of bowel movements for a couple of days and ewcm! TTC for 11/12 months now with underactive thyroid. Not getting pregnant so asked to go back to doctors in december to be refered to hospital. All thyroid levels are correct (according to last blood test) 
Does anyone else get these symptoms? Tmi but it comes in waves then I can feel it move through my bowel until I need to go to the bathroom! Only happens for a few days I'm on cycle day 24
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