Pain on the right side

Sadia

So I’m 21 weeks pregnant and I have this sharp stabbing pain on the right sid doc my pelvic area and it comes and goes like it’s very sharp.I don’t have any other issue it just suddenly started hurting and it’s only on the right side? I don’t have an appointment till March 5th.Never had this before with my previous pregnancy so I’m just wondering what is.I drank a lot of water jsut in case it’s some kind of infection.