Cramping..pulling pain

Bhanu🥰 • First born #son 3 years old❤️
Hey all 
I am bhanu and i had pregnancy test 2 days back and i am pregnant😊😊
But i am having lower abdomen pain on left side on n off .. I am 4 weeks now .. I donno why the pain is coming 
Its not like cramping .. I say its like twisting and pulling pain .. I am concerned wenver m getting 
Can anyone help me with this ...i donno wether i have to go to doctor .
I would be really glad if anyone knows