By Dr. Rojae Hazel, Hazba Medical Center, Falmouth Dog Blood Bush Ask any Jamaican grandmother about getting pregnant and there's a good chance dog blood bush comes up. It's one of the best-known "fertility bushes" in Jamaican folk medicine, sold in markets, on Amazon, and in tea bags across the diaspora. As a doctor who works with women trying to conceive, I get asked about it often. Here's an honest look at what dog blood bush is, how people use it, what it can and can't do