How early can you have cramps when pregnant from your uterus strecthing?

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Im just wondering because it’s possible i could be pregnant and just wondering how early you can get tehm….Also how long do they usually last?

I swear I had uterine pains at 4 weeks. I don’t know if it wa stretching but it sure felt like it.
It can vary. I started getting them 2 weeks after I had unprotected sex. And, they felt much worse then regular period cramps so I knew I was pregnant.
They can last all the way through pregnancy, it just depends. Usually up to like 12 wks is when you’ll stop having all the sickness and pains. But it can get even more painful after that.
2 weeks
Everyone is different, as is every pregnancy… but I want to say about 4 to 6 weeks you will start to feel cramps.
I started to get mine around the time my period was suppose to come. so it happens quite soon.
I started having them when I expected my period (about 4 weeks pregnant). It is different for every woman.
Mine was very early..i started getting menstrual like cramping 2 weeks after.
I pretty much got them from day one- I was convinced that I was getting AF, until I realized that I had been having cramps for 10 days with no other sign of AF- that’s when I took the test. I’m still having them, though not as often, and I am seven weeks.
i had them from 5 weeks both pregnancies