Pink watery discharge? 38w5d

Lisha
Woke up last night to pee a few times with my underwear a little wet (thought it was just discharge or I couldn't hold it haha). This morning I wiped and there was pink on my toilet paper. About 30 min later went again and still slightly wet but there's more brown/pink tinted discharge.
Could it be my bloody show? It's not mucus-y like a plug (although I lost some of that last week). Could it be my water leaking? Calling my doctor at 8 but just wanted opinions. 
Also, no contractions. Just crampy and achy the past week.