Received a copper iud 3 days after sex(ovulating at time of sex) is bloating and gas a common symptom? stomach sometimes feels firm to the touch.very painful cramps but only in the mornings.considering removal what other less painful bc can be used?

Please visit this site for information about the various options about contraception: Contraception method: https://www.cdc.gov/reproductivehealth/contraception/index.htm

Your body could still be adjusting to the IUD which could cause these symptoms, but there is a good chance that they will resolve if you are sufficiently patient. In any case you should get a sonogram a month after the IUD was placed to make sure it is still properly positioned.