Severe back pain

mebx • 37 TTC#1 low AMH, 5 MCs 😇 Pg with twins

I am TTC#1 and already had 3 MCs.

I am pregnant again (5w3days) but for the last 3/4 days I have severe back pain... I am worried as I am not sure this is an early pregnancy symptoms.

Any advice or recommendations?

Thanks