A Woman, 29 yrs, married for 3 years, unable to conceive, has regular menstrual cycles, mild dysmenorrhea, Her pelvic scan shows an intramural fibroid of 3 cms and a follicular ovarian cyst A tubal assessment by HSG is normal as well. Husbands semen analysis is normal and so is his hormonal profile. Which of these is the most likely cause for infeility?