In December I was diagnosed with a large disc herniation (L4-L5) with nerve root compression causing my entire left shin and foot to feel numb.  Having had issues with this area in the past and knowing the doctor knew the history and had successfully administered cortisone before, we decided to go ahead with the injections.  A week after my 1st injection I had dark heavy spotting, but no "real flow".  A week and a half ago it got very heavy, but no clots, which I usually have.  My concern - scary as anything - is that when the flow got heavier I started getting severe pain right in my sternum.  It comes out of nowhere and mimics what I assume would feel like a heart attack.  I am already on muscle relaxers due to the disc hernia and attributed the fact that  that my cramps weren't bad to the fact I was on the MRs.  So, yesterday, I went for shot #2 and mentioned this and he told me he wants me to see the OB-GYN to rule out anything.  He said cortisone shots usually cause the opposite in that you may miss a period.  Can't wait to see the after effects after yesterday's shot.Anyone ever get chest pain?  I made an appt. with my OB-GYN but is only for the 24th.  I do believe my MRI of lumbar spine had a couple frames where you could see my uterus with big black circles (fibroid tumors?).  I am 39 and am a type I diabetic (insulin-dependent) - never had children.  Appreciate any feedback!