(b)(4).The initial placement of the device caused extreme pain and nausea.The procedure and recovery lasted well over an hour.Follow up hsg after 4 months showed one tube occluded and the second essure coil was gone.The coil in place is on the left side.I experience extreme pain on the left side during ovulation and the pain/cramping during my periods has become severe.Before essure i experienced no pain during ovulation and my periods were not painful.