"there are some bad reviews about kyleena - so i wanted to share my experience. this iud is for women that have not yet had children as the iud is smaller than the mirena. i expected pressure during the insertion process but i felt pain. on a scale from 1 to 10 it was a strong 6. i may have a high pain tolerance because my doctor laughed &amp; said when she got hers she started cursing at the ceiling. right after i felt fine &amp; the nurse looked at me funnily. a couple of hours later i knew why. she expected me to have some severe cramping immediately after - but it took my uterus an hour to deliver those. they lasted through the night. it&rsquo;s been almost a week and everything is okay! using condoms until my ob is sure the iud is in the right place."