Yellow Toenails?

lauraaa β€’ Colby Ray Jase born 10/18/16 @11:57pm - 8lbs7oz, 21 inches long.πŸ‘ΆπŸ»πŸ’™ Married to the LOML.πŸ’πŸ’‹
Sorry if this is gross to some people but I just realized last night after my bath that my toenails are yellow??? What does this mean? I'm 5 weeks & 6 days pregnant btw.Β