Hi, has anyone else had cramps/tightenings with lower back ache at this stage of pregancy. Went to doctor yesterday as I had some spotting too and he said heartrate was fine and I had just had urine infection co not to worry. It wasn't my usual doc and he seemed dismissive of back pain saying it was kidneys, but this is my third pregnancy and I know these tightenings are not kidneys. Have left a message for midwife this morning but I am worried. I thought infections can cause premature labour so should he have been so dismissive of the cramps, has anyone else had this?