Today when i was standing up i started to get like a pain on my right side like almost on my rib but below that it was coming and going and than after i started to walk and i got this shooting pain very very sharp it almost felt like it was in my vagina were the baby comes out from i bent over and as it went away i took another step it happened again i almost couldn't stand anymore an i was scared to take another step and feel that again. what could this be. I'm 38+2 weeks.