pelvic pains

Zaya
Been having pelvic pains when i sit too long and stand up. Sometimes it feels like cramping and sometimes it feels as if my baby is pushing down my lower abdomen. Sometimes on my left side and sometimes right..especially when walking. 37 weeks and 3 days today. Does this mean labor is close? are there any signs that labor is getting close (like in 3 days or so)? Just curious..im a FTM..