When to start ttc

Kja • Husband and I are trying for baby #1. Couldn`t be more excited!
So my husband and I wanted to start ttc but I worried about some of the timing. I already have my bachelors degree and I graduate next December with my medical degree. We want to start trying now but if it didn't take us long to get a BFP then the baby would be due before I'm supposed to graduate. Its just hard for us to keep waiting to ttc. Should we still hold off for a few more months so that I would only be a few months along when I graduate? Or should we just go for it since it most likely would not happen right away anyway? Its hard to wait for something we both want so badly. Anyone ever been in a similar situation? It would be our first baby.