Implantation cramps feel like mild period cramps – more of a dull ache or light twinge – and usually last just a day or two.

Your body undergoes a dramatic process from the time of conception to the first positive pregnancy test. One of the most significant steps is implantation. Implantation is an early sign of ...

Implantation cramps occur 5 to 6 days after conception and can last one to three days. To tell if it's implantation cramps versus menstrual cramps, wait to see if you start menstruating.