Any one else experiance this?

when i had my first child 5 yrs ago i was hospitalised with severe pain (worse than labour) i got several explanations feom a suspected ectopic to my ligaments streching. i experianced the pain from 1 wk before my period was even due any one else ever have this it lasted for about 2 months and it came in waves, mild at first and then excrutiatly stronger. also i am at that stage again and im starting to get those similer twinges as it started the last time. what are the chances of it happening with subsequent pregnancys and if so could i be pregnant if im feeling theese crampy pains at this stage of my cycle