Girls, can you help me??(( On Wednesday they put in an obstetric specu…

Girls, can you help me??(( On Wednesday they put in an obstetric speculum because on the 19th week the uterus already contracted down to 28mm. Before that I went to the doctor with tingling in the pubic area, they admitted me to the hospital with spasm. Yesterday they discharged me, said that the uterus shouldn't be tingling anymore, if it does again we will admit them back to the hospital. I asked "Actually shouldn't it be tingling at all throughout the pregnancy?" they said yes. Today I woke up again with light uterine cramping, I haven't even managed to get out of bed yet(( Can you tell me, is it really not supposed to be