Causes of unilateral dysmenorrhea are all except:

Ans. is 'd' i.e., Large fundal fibroid * Causes of unilateral dysmenorrhea1) Ovarian Dysmenorrhea (Right ovarian vein syndrome)2) Bicornuate uterus3) Unicornuate uterus4) Rudimentary horn5) Unilateral pelvic endometriosis6) Small fibroid polyp near one cornu