Can I ever get a break?

So my husband and I been trying for 4 years. My first pregnancy/miscarriage was back in September. My GYN gave me until January/February time frame to "try again" but the thing is I have not had my period for 51 days now.... also waiting for my period to get a HSG for my infertility doctor to even see me. I thought I would have so my desire for my period come. Definitely need encouragement, advice, prayers etc.